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Panorama of images from Opportunity's microscopic camera showing a rock on the rim of Endeavour Crater.
Well formed Needle crystals, Hexagonal Plate crystal, and small Triangular Plate.
Collected 30 January, 2010
Microscopic photo showing foci of subpleural bullous emphysema (blue arrows) with patchy papillary proliferation in dilated air spaces. H & E stain. 4x. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
Microscopic photo showing ciliated efferent ducts. H & E stain. 10X. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA. (乔建华医学博士，美国病理学家学院专家会员。美国加州洛杉矶)
Microscopic photo showing benign thyroid tissue with patchy dense lymphoid infiltrates. Hürthle cells exhibit large amount of pink granular cytoplasm and enlarged nuclei with distinct nucleoli. H & E stain. 20X. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA. (乔建华医学博士， 美国病理学家学院专家会员。美国加州洛杉矶)
Typical carcinoid tumor with oncocytic tumor cells. There are many morphologic variants of carcinoid tumors. Those in this collection can be seen by using the SEARCH function.
Images contributed by Dr. Gerônimo Lapac - @GerônimoJrLapac
Organization within an alveolar duct (upper right) and an alveolus (left). Other areas of this core biopsy specimen showed intra-alveolar fibrin masses.
Acute fibrinous and organizing pneumonia (AFOP) is a relatively rare form of acute or subacute lung injury. AFOP can be idiopathic or associated with a variety of underlying conditions including connective tissue diseases, drugs reactions, occupational exposures, immune system disorders, long-term steroid therapy, poorly controlled diabetes, alcoholism, lymphoma, and infections.
Typical microscopic findings are the presence of large fibrin balls or masses in airspaces and foci of organizing pneumonia. The number of fibrin balls may be variable throughout the lesion. Absence of hyaline membranes distinguishes AFOP from DAD.
Patients with AFOP may present with an acute illness; mortality in these cases is high. Those who present with a subacute illness appear to have a better prognosis.
Avitene (microfibrillar collagen hemostat)is absorbable collagen hemostatic material that is used in surgical procedures to accelerate clot formation. When ap plied to tissues Avitene induces a marked inflammatory reaction with a predominance of eosinophiles.
Image contributed by Dr. Yale Rosen - @yro854
Microscopic photo showing benign colonic mucosa with dense infiltration of eosinophils in lamina propria. H & E stain. 40X Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
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The alveolitis of sarcoidosis is characterized by T-helper lymphocyte infiltration of the alveolar walls and precedes granuloma formation. In this case granulomas were seen elsewhere in the specimen.