What is osseous structures in lungs

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Degenerative lung disease includes diffuse hypertrophic emphysema, bullous emphysema, and "vanishing" or "cotton-candy" lung. It is the author's concept that all of the above clinical entities are stages of one disease with a common etiological factor, namely obliterative vascular disease of both the bronchial and pulmonary systems.The visualized osseous structures on chest CT which include the spine, ribs, sternum, scapula, and humerus should be examined on bone window settings (Level 600, Window 3000). Look at each one individually to see if it is fractured or contains a lytic or sclerotic lesion. The bones are reviewed on axial images, and the review is supplemented by ...Rings of cartilage, similar to those of the trachea, support the structure of the bronchi and prevent their collapse. The primary bronchi enter the lungs at the hilum, a concave …A major organ of the respiratory system, each lung houses structures of both the conducting and respiratory zones. The main function of the lungs is to perform the exchange of oxygen and carbon dioxide with air from the atmosphere.The Definition of Cancer. Cancer is a disease in which some of the body's cells grow uncontrollably and spread to other parts of the body. Cancer can start almost anywhere in the human body, which is made up of trillions of cells. Normally, human cells grow and multiply (through a process called cell division) to form new cells as the body ...Toggle Anatomy System. The bones of the chest and upper back combine to form the strong, protective rib cage around the vital thoracic organs such as the heart and lungs. The rib cage also anchors the bones of the head, neck, shoulders, and arms to the trunk of the body. Powerful muscles that move the head and arms attach to these bones as well.A CT scan can show the shape and size of your spinal canal, its contents and the bone around it. It helps diagnose bone spurs, osteophytes, bone fusion and bone destruction from infection or tumor. Magnetic resonance imaging (MRI): This test uses a large magnet, radio waves and a computer to produce detailed images. It can reveal problems with ...

Please read the disclaimer. Hypermetabolic on PET scan means that the tissue lights up or is hotter because it is more active than the background tissues. PET scans most commonly use a glucose molecule attached to a radioactive molecule which is then distributed throughout the body. Cells which use more glucose are called …Overview. The chest wall is comprised of skin, fat, muscles, and the thoracic skeleton. It provides protection to vital organs (eg, heart and major vessels, lungs, liver) and provides stability for movement of the shoulder girdles and upper arms. Although the thoracic skeleton consists of rigid bones and cartilage, its interconnection with the ...6.3 Bone Structure ; 6.4 Bone Formation and Development ; 6.5 Fractures: Bone Repair ; 6.6 Exercise, Nutrition, Hormones, and Bone Tissue ; 6.7 Calcium Homeostasis: Interactions of the Skeletal System and Other Organ Systems ; ... The thoracic cavity contains the lungs and the heart, which is located in the mediastinum. The diaphragm forms the ...Thoracic Spondylosis Symptoms and Treatment. As you get older, your vertebrae (spinal bones) tend to wear down. The bony discs and joints can crack. You don’t have to have an injury, such as a ...Spinal metastasis is common in patients with cancer. The spine is the third most common site for cancer cells to metastasize, following the lung and the liver. This amounts to 70% of all osseous metastases. Approximately 5-30% of patients with systemic cancer will have spinal metastasis; some studies have estimated that 30-70% of patients ...Lung parenchyma consists of the delicate, functional tissue of the lungs. This tissue is made up of two main components: alveoli and interstitium. Alveoli: Alveoli are tiny air sacs responsible for the exchange of oxygen and carbon dioxide in the lungs. These small sacs resemble clusters of grapes and play a crucial role in respiration.Pleurae of the Lungs. Each lung is enclosed within a cavity that is surrounded by the pleurae. The pleura (plural = pleurae) is a serous membrane that surrounds each lung. The right and left pleurae, which enclose the right and left lungs, respectively, are separated by the mediastinum. The pleurae consist of two layers.The trachea originates at the inferior edge of the larynx and connects to the left and main stem bronchus. The primary function of the trachea is to allow passage of inspired and expired air into and out of the lung. The trachea is a midline structure and lies just anterior the esophagus. After it originates from the larynx, the trachea divides ...

Thoracic Cavity. Your thoracic cavity is a space in your chest that contains organs, blood vessels, nerves and other important body structures. It's divided into three main parts: right pleural cavity, left pleural cavity and mediastinum. The five organs in your thoracic cavity are your heart, lungs, esophagus, trachea and thymus.Osseous metastatic disease, or metastatic bone disease, is a medical condition that occurs in patients with certain types of cancer, states OrthoInfo. Patients with breast, lung, t...The lymphatic system is made up of: Primary lymphoid organs: These organs include the bone marrow and the thymus. They make special immune system cells called lymphocytes. Secondary lymphoid organs: These organs include the lymph nodes, the spleen, the tonsils and certain tissue in various mucous membrane layers in the body (for instance, in ...Introduction. Metastases of the bone occur in 30-36% of the patients with lung cancer; 65% of these metastases are discovered at the time of the initial staging [1,2].The vertebral column is the principal localization of the osseous metastases and is in many cases an indication of an advanced stage of a malignant primary disease [3,4].Advanced lung cancer is diagnosed in over two thirds of the ...Airways can be divided into upper and lower. The upper and most of the lower airways are involved in the humidification of air during breathing and its conduction to the alveoli where oxygen exchange with the blood takes place. 3. Both the upper and lower airways create dead space.

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On every chest X-ray check the soft tissues, especially around the neck, the thoracic wall, and the breasts. If a patient has very thick soft tissue due to obesity, underlying structures such as the lung markings may be obscured. Large breasts may obscure the costophrenic angles giving the impression of the presence of pleural effusions.The adult human skeleton is made up of 206 bones. These include the bones of the skull, spine (vertebrae), ribs, arms and legs. Bones are made of connective tissue reinforced with calcium and specialised bone cells. Most bones also contain bone marrow, where blood cells are made. Bones work with muscles and joints to hold our body together and ...As we have seen time and time again in our investigation of suspicious densities on the lungs, there are several different agents that can cause these markings [].They can be caused by anything between lesions for lung cancer to signs of a lung infection.These infections can also be caused by bacteria, viruses or fungi so the therapy … The lung roots, or hila (singular – hilum), are complicated anatomical structures containing the pulmonary vessels and the major bronchi, arranged asymmetrically. Although the hilar lymph nodes are not visible on a normal chest X-ray, they are of particular importance clinically. Often, hilar enlargement is due to enlargement of these nodes. Chest X-rays produce images of your heart, lungs, blood vessels, airways, and the bones of your chest and spine. Chest X-rays can also reveal fluid in or around your lungs or air surrounding a lung.The last potential broad category that I will highlight as a potential avenue for suspicious densities on the lungs that doctors need to consider when a patient presents with a strange chest X-ray would be some type of lung parenchymal disease. Before I lose you, the parenchyma of the lungs is the surface tissue.

Structure and Function. The larynx is a cartilaginous skeleton, some ligaments and muscles that move and stabilize it, and a mucous membrane. ... and lungs. As the hyoid bone rises, it draws the larynx upwards during swallowing to allow food or drink into the esophagus and to prevent food from entering the trachea. As for the second set of ...Gross Anatomy of Bones. A long bone has two main regions: the diaphysis and the epiphysis ( Figure 6.3.1). The diaphysis is the hollow, tubular shaft that runs between the proximal and distal ends of the bone. Inside the diaphysis is the medullary cavity, which is filled with yellow bone marrow in an adult. Despite this, the power of the X-ray beam used is usually not optimised to view the bones, but rather to give greater detail to the lungs and soft tissues. For this reason abnormalities of the bones may not be obvious and so must be searched for carefully. Bones visible on a chest X-ray include the ribs, clavicles, scapulae, humeri, and the spine. Definition. The skeletal system provides support and protection for the body’s internal organs and gives the muscles a point of attachment. Humans have an endoskeleton, where our bones lie underneath our skin and muscles. In other animals, such as insects, there is an exoskeleton on the outside of the body. Overview.Segmentation of bone structures and suppressing … The chest X-ray is a widely used medical imaging technique for the diagnosis of several lung diseases. Some nodules or other pathologies present in the lungs are difficult to visualize on chest X-rays because they are obscured byoverlying boneshadows.Pulmonary edema. The function of the alveoli also depends on the sacs being inflated the right amount. Some conditions and injuries can cause overdistention or surfactant dysfunction, which cause the alveoli to collapse. This makes it harder for the lungs to work. Overdistention is overstretching of the alveoli.Spine Structure and Function. Your spine is an important bone structure that supports your body and helps you walk, twist and move. Your spine is made up of vertebrae (bones), disks, joints, soft tissues, nerves and your spinal cord. Exercises can strengthen the core muscles that support your spine and prevent back injuries and pain.Nov 21, 2023 · Blood supply. The lungs have dual, parallel blood supply referred to as pulmonary and systemic circuits. The pulmonary circuit arises from the heart and brings deoxygenated blood to the lung for gas exchange. This circuit also takes oxygenated blood back to the heart to be redistributed to the rest of the body. The primary function of your esophagus is to carry food and liquid from your mouth to your stomach. When you swallow, food and liquid first move from your mouth to your throat (pharynx). A small muscular flap called the epiglottis closes to prevent food and liquid from going down the " wrong pipe " — your windpipe (trachea).Chapter 6. Imaging of Osseous Knee Trauma. Acute traumatic injury involving the knee is a relatively common occurrence that has the potential to result in significant morbidity. The anatomy and physiology of the knee joint, along with the external forces to which it is subject, may result in a broad spectrum of injury types. 8 Osseous knee ...Please read the disclaimer. A lung opacity is a frequently used term by radiologists on chest X-rays and essentially means a white spot of uncertain significance. The lungs are normally black on a chest X-ray so anything that blocks the X-rays from getting through will look white on an X-ray. A white spot amidst the normal black lungs …

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The lung hilum (where structures enter and leave the lung) is located on this surface. The base of the lung is formed by the diaphragmatic surface. It rests on the dome of the diaphragm, and has a concave shape. This concavity is deeper in the right lung, due to the higher position of the right dome overlying the liver. ... Why did my radiologist write this? findings: the lungs and pleural spaces are clear. the cardiac silhouette is normal. the regional osseous structures are normal. impression: no active cardiopulmonary process? Abstract. Diffuse pulmonary ossification (DPO) is a rare condition of DLD (diffuse lung disease) characterized by the presence of metaplastic ectopic bone in the lungs and is less frequent in patients without a clear background of lung diseases. DPO is characterized by very small calcific nodules, often with bone mature located in both lungs ...Introduction. Metastases of the bone occur in 30-36% of the patients with lung cancer; 65% of these metastases are discovered at the time of the initial staging [1,2].The vertebral column is the principal localization of the osseous metastases and is in many cases an indication of an advanced stage of a malignant primary disease [3,4].Advanced lung cancer is diagnosed in over two thirds of the ...A bone island (enostosis) is a noncancerous (benign) lesion that rarely causes symptoms. It's a tiny, dense piece of bone that grew within another section of your bone — specifically, a piece of compact (cortical) bone within cancellous bone (a network of spongy bone tissue). The bone is isolated, like it's on an island.Introduction: Pulmonary ossification (PO) is a rare pathologic finding, defined as a widespread heterotopic bone formation within the lungs. PO occurs in two forms. The first form is the nodular circumscribed type; the second form is the racemose or branching type. Males are more often affected than females.Er x-ray. no acute cardiopulmonary abnormality.the cardiomediastinal silhouette is normal in size and configuration.no focal airspace opacification, pleural effusion, or pneumothorax. the osseous structures and soft tissues are unremarkable.normal? A doctor has provided 1 answer. A member asked:Why did my radiologist write this? findings: the lungs and pleural spaces are clear. the cardiac silhouette is normal. the regional osseous structures are normal. impression: no active cardiopulmonary process? 2 doctors weighed in across 2 answers.However, the lung architecture is preserved at the lobular level. A nodular component from intraparenchymal extension may be associated with lymphangitic carcinomatosis. A polygonal structure with a central dot may be seen due to thickened interlobular septa and thickened intralobular axial interstitium by tumor growth.

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osseous: [ os´e-us ] of the nature or quality of bone; bony.The chest cavity is lined with a serous membrane, which exudes a thin fluid. That portion of the chest membrane is called the parietal pleura.The membrane continues over the lung, where it is called the visceral pleura, and over part of the esophagus, the heart, and the great vessels, as the mediastinal pleura, the mediastinum being the space and the tissues and structures between the two lungs.When cancer cells spread to the bones (bone metastases), they can cause many problems such as pain, broken bones, or more serious problems. Almost all cancers can spread to the bone, but cancers that often spread there include breast, lung, prostate, kidney, melanoma, ovarian, and thyroid . The spine is the most common site for bone metastases.Lung opacity progressively increases as the degree of atelectasis increases. As a lobe loses volume, structures such as the mediastinum, hilum, or hemidiaphragm shift toward the collapsed lobe. In most patients, the right hemidiaphragm is higher or at the same level as the left hemidiaphragm. With volume loss, particularly in the lower lobes ...Osseous tissue is the structure providing, hard and mineralized connective tissues. Osseous tissue is also called bone tissue. Bone tissue forms the skeletal system structure of the body in most vertebrates. Structurally, the matrix of the osseous tissue is honeycomb-like to provide rigidity to the structure.Dendriform pulmonary ossification (DPO) is a rare condition characterised by branching bony spicules which usually contain marrow and are found in the lung parenchyma associated with pulmonary fibrosis. 1 Rare earth pneumoconiosis is an uncommon occupational disease caused by the inhalation of dust containing rare earth metals. Rare …Chronic obstructive pulmonary disease (COPD) is a lifestyle-related chronic inflammatory pulmonary disease and a major cause of morbidity and mortality globally. The projection is that by the year 2020, COPD would become the third leading cause of death globally. The Global Initiative for Chronic Obstructive Lung Disease (GOLD) 2014 update ...Emphysema is a lung condition that causes shortness of breath. In people with emphysema, the air sacs in the lungs (alveoli) are damaged. Over time, the inner walls of the air sacs weaken and rupture — creating larger air spaces instead of many small ones. This reduces the surface area of the lungs and, in turn, the amount of oxygen that ...Osteocyte in lacuna, lamellae, central canal, canaliculi, osteon. What type of cartilage provides support and shock absorption? Fibrocartilage. 10. Thin sheetlike structures which cover all surfaces and line the cavities of the body are known as ____________ . There are three major types found in or on the body.In laboratory rodents, osseous metaplasia is most common in the lungs of B6C3F1 mice. Cartilaginous and osseous metaplasia may occur as a response to injury or inflammation. These lesions occur when fibroblastic tissue is stimulated or induced to form nonneoplastic bone and/or cartilage. New bone forms with or without a cartilage template and ...Mediastinum. Your mediastinum is a space in your chest that holds your heart and other important structures. It’s the middle section of your thoracic cavity, between your left and right pleural cavities (which hold your lungs). Many conditions can affect the organs and tissues in your mediastinum, including tumors and infections. ….

CT scan is a type of imaging test. It uses X-ray and computer technology to make detailed pictures of the organs and structures inside your chest. These images are more detailed than regular X-rays. They can give more information about injuries or diseases of the chest organs. In a CT scan, an X-ray beam moves in a circle around your body.Ribs. The ribs partially enclose and protect the chest cavity, where many vital organs (including the heart and the lungs) are located. The rib cage is collectively made up of long, curved ...Osteocytes, bone cells like chondrocytes, are located within lacunae. The histology of transverse tissue from long bone shows a typical arrangement of osteocytes in concentric circles around a central canal. Bone is a highly vascularized tissue. Unlike cartilage, bone tissue can recover from injuries in a relatively short time.Please read the disclaimer. A lung opacity is a frequently used term by radiologists on chest X-rays and essentially means a white spot of uncertain significance. The lungs are normally black on a chest X-ray so anything that blocks the X-rays from getting through will look white on an X-ray. A white spot amidst the normal black lungs …The mediastinum is a complex anatomic space within the central thoracic cavity, surrounded by the lungs. It extends from the thoracic inlet superiorly to the diaphragm inferiorly. The mediastinum contains multiple vital organs and anatomical structures. A good understanding of anatomy helps in narrowing the differential while evaluating mediastinal masses, which in turn helps in recommending ...Bones are composed of two types of tissue. Compact (cortical) bone is a hard outer layer that is dense, strong, and durable. It makes up around 80% of adult bone mass and forms the outer layer of ...Please read the disclaimer. Unremarkable is a term that can be found in radiology reports of all kinds. From X-rays all the way to advanced imaging modalities like CT and MRI. Unremarkable can be used in the body or conclusion of the report. Unremarkable may be used multiple times in a report referring to organs, structures, …The circulatory system, which is made up of the heart and blood vessels, supports the respiratory system by bringing blood to and from the lungs. The circulatory system helps deliver nutrients and oxygen from the lungs to tissues and organs throughout the body. It also helps remove carbon dioxide and waste products.An overview of symptoms, causes, diagnosis, and treatment for blood clots, deep vein thrombosis, and pulmonary embolisms. Trusted Health Information from the National Institutes of...Lighten the skull. Give resonance and amplification to voice. Study with Quizlet and memorize flashcards containing terms like What structures comprise the upper respiratory system, from superior to inferior?, What are the 3 parts of the pharynx, from superior to inferior?, What is the function of thyroid cartilage? and more. What is osseous structures in lungs, The upper respiratory system, or upper respiratory tract, consists of the nose and nasal cavity, the pharynx, and the larynx. These structures allow us to breathe and speak. They warm and clean the air we inhale: mucous membranes lining upper respiratory structures trap some foreign particles, including smoke and other pollutants, before the ..., Osseous surgery, also known as pocket reduction surgery, is a procedure that gets rid of bacteria living in pockets. During the procedure, a surgeon cuts back your gums, removes the bacteria, and ..., Osteoarthritis has often been referred to as a wear and tear disease. But besides the breakdown of cartilage, osteoarthritis affects the entire joint. It causes changes in the bone and deterioration of the connective tissues that hold the joint together and attach muscle to bone. It also causes inflammation of the joint lining., The lung roots, or hila (singular – hilum), are complicated anatomical structures containing the pulmonary vessels and the major bronchi, arranged asymmetrically. Although the hilar lymph nodes are not visible on a normal chest X-ray, they are of particular importance clinically. Often, hilar enlargement is due to enlargement of these nodes., Bone Structures in Avian and Mammalian Lungs. Abstrucr. Ectopic bone was found in the interstitium of lungs of birds, guinea pigs and minks. There was no evidence of a relation between the ectopic bone and the occur- rence of disease. In man ectopic bone has been reported in different organs and tissues such as kidneys, arterial walls, eyes ... , The structures that make up the immune system are bone marrow, white blood cells, and lymphocytes.. What is the function of the immune system? The body reacts daily to attacks by bacteria, viruses and other microbes through the immune system.Very complex, this barrier is made up of millions of cells of different types and with different functions, responsible for guaranteeing the body's ..., Organs and Structures of the Respiratory System | Anatomy. Learning Objectives. By the end of this section, you will be able to: List the structures that make up the respiratory …, Jul 30, 2023 · Introduction. The thorax is the region between the abdomen inferiorly and the root of the neck superiorly. [1] [2] The thorax forms from the thoracic wall, its superficial structures (breast, muscles, and skin), and the thoracic cavity. A thorough comprehension of the anatomy and function of the thorax will help identify, differentiate, and ... , The circulatory system, which is made up of the heart and blood vessels, supports the respiratory system by bringing blood to and from the lungs. The circulatory system helps deliver nutrients and oxygen from the lungs to tissues and organs throughout the body. It also helps remove carbon dioxide and waste products., Discussion: PO occurs in t wo forms. The nodular cirbumscribed type is composed of osseous and osteoid material without marrow elements. It is usually deposited within the lung septa. The second form is the racemose type. It consists of branching spicules of bone in the alveolar septa. This osseous tissue contains mostly marrow clements., Sometimes, bone metastasis causes no signs and symptoms. When it does occur, signs and symptoms of bone metastasis include: Bone pain. Broken bones. Urinary incontinence. Bowel incontinence. Weakness in the legs or arms. High levels of calcium in the blood (hypercalcemia), which can cause nausea, vomiting, constipation and confusion., The costal surface of the lung borders the ribs. The mediastinal surface faces the midline. Figure 22.2.1 Gross Anatomy of the Lungs. Each lung is composed of smaller units called lobes. Fissures separate these lobes from each other. The right lung consists of three lobes: the superior, middle, and inferior lobes., Enlargement of the cardiac silhouette on a frontal (or PA) chest x-ray can be due to a number of causes 1: cardiomegaly (most common cause by far) pericardial effusion. anterior mediastinal mass. prominent epicardial fat pad. expiratory radiograph. AP projection (e.g supine radiographs taken with a portable machine), Long Bones. A long bone is one that is cylindrical in shape, being longer than it is wide. Keep in mind, however, that the term describes the shape of a bone, not its size. Long bones are found in the arms (humerus, ulna, radius) and legs (femur, tibia, fibula), as well as in the fingers (metacarpals, phalanges) and toes (metatarsals, phalanges)., Lung cancer with bone metastases refers to the spread of cancer from the primary (original) tumor to the bone. The spread of cancer cells occurs either through the bloodstream or lymphatic system (a system of fluids, vessels, and organs that protect the body against foreign invaders). Bone metastases from lung cancer affect between 30% and 40% ..., A major organ of the respiratory system, each lung houses structures of both the conducting and respiratory zones. The lungs are a paired set of organs, located on either side of the heart, each in its own pleural cavity. The main function of the lungs is to perform the exchange of oxygen and carbon dioxide with air from the atmosphere., Case 5: Interstitial lung disease. Official CXR Read: Cardiac silhouette is partially obscured. Near diffuse interstitial opacities are redemonstrated throughout both lungs, with elements of traction bronchiectasis, presumed honeycombing, and architectural distortion. No definite pneumothorax is identified. Osseous structures appear intact., er x-ray. no acute cardiopulmonary abnormality.the cardiomediastinal silhouette is normal in size and configuration.no focal airspace opacification, pleural effusion, or pneumothorax. the osseous structures and soft tissues are unremarkable.normal?: : Radiologists get fussed at by the doctors that order x-rays when the., Anatomy of the Lungs. A spongy organ that moves oxygen through the bloodstream. The lungs are a major organ that is part of the respiratory system, taking in fresh air and getting rid of old, stale air. This mechanism of breathing also helps to allow you to talk. By taking in fresh air, the lungs are able to help oxygenate blood to be carried ..., Study with Quizlet and memorize flashcards containing terms like The skeletal system has a protective function in that _____. bones can be used as levers for delicate or gross movement bones provide a structural framework for the body bones serve as a production site for blood cells calcium and lipids can be stored in bone marrow soft tissues and organs such as the heart and lungs are ..., Gross Anatomy of the Lungs. The lungs are pyramid-shaped, paired organs that are connected to the trachea by the right and left bronchi; on the inferior surface, the lungs are bordered by the diaphragm. The diaphragm is the flat, dome-shaped muscle located at the base of the lungs and thoracic cavity., Apr 27, 2022 · Sometimes, bone metastasis causes no signs and symptoms. When it does occur, signs and symptoms of bone metastasis include: Bone pain. Broken bones. Urinary incontinence. Bowel incontinence. Weakness in the legs or arms. High levels of calcium in the blood (hypercalcemia), which can cause nausea, vomiting, constipation and confusion. , A blood clot moving from the blood vessels in the legs to the lungs can cause pulmonary edema. Exposure to certain toxins. Inhaling toxins or breathing in some stomach contents when vomiting (aspiration) causes intense irritation of the small airways and air sacs, resulting in fluid buildup. High altitudes., On every chest X-ray check the soft tissues, especially around the neck, the thoracic wall, and the breasts. If a patient has very thick soft tissue due to obesity, underlying structures such as the lung markings may be obscured. Large breasts may obscure the costophrenic angles giving the impression of the presence of pleural effusions., For interpretation of routine posteroanterior (PA) chest radiographs, the anatomy of the trachea, mediastinum, diaphragm, lungs, lung fissures, lung hila, other soft tissue structures and bony structures should be understood (Fig. 19.1). Important anatomic and imaging criteria for each of these structures will be discussed in this chapter., The vertical bone of the chest, the sternum, defines the anterior chest wall. ... whereas the pleural cavities house the lungs. The thoracic cage protects the lungs and the heart and provides attachments for the muscles of the thorax, upper extremities, back, and abdomen. ... the needle can pierce the structures related to the posterior surface ..., Introduction. Lung cancer is a kind of malignant tumors with rapid progression and poor prognosis, it brings difficulties to clinical treatment ().Distant metastases have been the main cause of mortality among lung cancer patients ().Bone is the second commonest site of lung cancer metastasis ().According to the characteristics of the lesions, bone metastasis can be divided into the following ..., Bone, or osseous tissue, is a hard, dense connective tissue that forms most of the adult skeleton, the support structure of the body.In the areas of the skeleton where bones move (for example, the ribcage and joints), cartilage, a semi-rigid form of connective tissue, provides flexibility and smooth surfaces for movement.The skeletal system is the body …, Figure 1. The major respiratory structures span the nasal cavity to the diaphragm. Functionally, the respiratory system can be divided into a conducting zone and a respiratory zone. The conducting zone of the respiratory system includes the organs and structures not directly involved in gas exchange. The gas exchange occurs in the respiratory zone., The base is the concave lower surface of the lung that rests over the diaphragm [9].. Structures including the bronchus, bronchial veins and arteries, pulmonary artery, two of the pulmonary veins, pulmonary plexus of nerves (anterior and posterior), and lymphatic vessels bundle together to form the root of the lungs [9, 10]., Pulmonary edema. The function of the alveoli also depends on the sacs being inflated the right amount. Some conditions and injuries can cause overdistention or surfactant dysfunction, which cause the alveoli to collapse. This makes it harder for the lungs to work. Overdistention is overstretching of the alveoli., Discussion: PO occurs in t wo forms. The nodular cirbumscribed type is composed of osseous and osteoid material without marrow elements. It is usually deposited within the lung septa. The second form is the racemose type. It consists of branching spicules of bone in the alveolar septa. This osseous tissue contains mostly marrow clements., Lung cancer with bone metastases refers to the spread of cancer from the primary (original) tumor to the bone. The spread of cancer cells occurs either through the bloodstream or lymphatic system (a system of fluids, vessels, and organs that protect the body against foreign invaders). Bone metastases from lung cancer affect between 30% and 40% ...