Spindle Cell Sarcoma a. The patient had been diagnosed with splenic spindle cell sarcoma and had her spleen removed. Upon further examination‚ the doctor realized the cancer had metastasized to the liver. b. Spindle cell sarcomas are tumors that come from the connective tissues‚ sometimes called soft tissue sarcomas. They are most commonly seen on the skin but in this case‚ the dog had it on her spleen. Spindle cell sarcomas are usually seen on older dogs. c. Some signs could be a noticeable lump or
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Hemolytic Disease of the Newborn ------------------------------------------------- What is hemolytic disease of the newborn (HDN)? Hemolytic disease of the newborn is also called erythroblastosis fetalis. This condition occurs when there is an incompatibility between the blood types of the mother and baby. * "Hemolytic" means breaking down of red blood cells * "Erythroblastosis" refers to making of immature red blood cells * "Fetalis" refers to fetus -------------------------------------------------
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effect on people’s normal life. It is a a platelet disorder in which the body produces antibodies that bind with platelets that are the small‚ sticky cells of the blood that help the blood clot.The platelet-antibody complex is then destroyed in the spleen or liver. This can occur as a short-term event or can be chronic. ITP affects women more frequently than men‚ and is more common in children than adults. The disease affects boys and girls equally. In children‚ the disease sometimes follows a viral
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Chapter 29 Quiz | Question 1 | Signaling proteins that alert the immune system an infection is present and that sometimes directly fight pathogens are the: | | complement proteins. | | | antihistamines. | | | antibodies. | | | cytokines. | | | histamines. | Question 2 | Which cells in the immune system produce memory cells? | | lymphocytes | | | eosinophils | | | mast cells | | | dendritic cells | Question 3 | Histamine causes which of the following
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the brain uses nerve cells (nervous system) to send messages to the immune system to trigger an immune response. For example‚ the vagus nerve sends signals from the brain to the spleen. Along this path‚ action potentials move down the nerve to the abdomen‚ which terminates the nerve cells that send their fibers to the spleen. These fibers release a signaling molecule that binds to T lymphocytes. The signaling molecule then attaches receptors to the T cells which begin production of acetylcholine‚ which
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and curve‚ almost like a crescent moon. The abnormal cells (erythrocytes) become stuck and block a narrow vessel which disables oxygen to pass through and causes pain and damage to organs. Many organs such as the liver and spleen become damaged due to lack of oxygen. When the spleen becomes damaged‚ patience will experience many infections. Pain is also caused by the sickle blood cells becoming caught in vessels called crises. Jaundice (yellowness to eyes and skin) can occur in babies due to liver damage
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anatomist and surgeon‚ recorded the first case of AML when he described a 63-year-old with fever‚ weakness‚ urinary stones‚ and substantial enlargement of the liver and spleen. Nothing else came of it until 1845 when J.H. Bennett‚ an English physician‚ physiologist‚ and pathologist‚ reported multiple deaths of patients with “enlarged spleens and changes in the ‘colors and consistencies of their blood.’” He used the term “leucocythemia” to depict the condition. In 1856‚ Rudolf Virchow‚ a German physician
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determine the presence of leukemia‚ physical examination may be completed to show an enlarged spleen or the patient may have of a history of feeling unwell. An examination of the patient’s blood could show the patient being anaemic‚ with a low level of platelets. Bone marrow could be removed from the patient‚ while under local anesthesia‚ with a syringe. A core of bone may also be taken for examination. The spleen cannot normally be felt‚ but with leukemia‚ it is enlarged and can be easily felt. The incidence
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Background: Systemic embolism is a common complication of infective endocarditis‚ most frequently involving the central nervous system‚ spleen‚ kidney‚ liver‚ and iliac or mesenteric arteries but embolisation to coronary artery causing sudden cardiac death is infrequently encountered. Case presentation: A case of 45 years old male who had coiling for anterior communicating
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indicated by letter __________. Answer: E Diff: 2 Page Ref: 404 5) Lymphatic collecting vessels are indicated by letter __________. Answer: C Diff: 2 Page Ref: 404 1 Figure 12.2 Using Figure 12.2‚ identify the following: 6) The spleen is indicated by letter __________. Answer: C Diff: 1 Page Ref: 407 7) The tonsils are indicated by letter __________. Answer: A Diff: 1 Page Ref: 407 8) The thymus gland is indicated by letter __________. Answer: B Diff: 1 Page
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