月归档:七月 2011

“Shin dry” ewing’s sarcoma“胫骨干”尤文氏肉瘤

teenagers

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Osteosarcoma 骨肉瘤

Female, 18 years old, right proximal humerus, tumor growth, the outgoing tumor bag around backbone.

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Squamous cell carcinoma bone metastasis鳞癌骨转移

Male, 53 years old, upper right arm hurt his sore after 7 days, intraoperative see: the right distal humerus fractures, cut ends and empty, irregular erosion

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Granulomas 肉芽肿

Granulomas are not always well-formed, but there should at least be epithelioid cells. Giant cells are often present. Other inflammatory cell components include lymphocytes, plasma cells, and occasional neutrophils. Collagenization usually indicates a healing response. As granulomas heal, they can … 继续阅读

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Pulmonary hypoplasia 肺发育不良

Pulmonary hypoplasia is the final consequence in association with any urinary tract disease in utero that leads to oligohydramnios.

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Urinary tract obstruction尿路梗阻

Urinary tract obstruction in utero can lead to renal cystic change in addition to hydronephrosis. The cysts appear near the nephrogenic zone, because the developing glomeruli are most sensitive to the increased pressure. Thus, cortical microcysts develop as shown here.

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Ureteral obstruction 输尿管阻塞

A right ureteral obstruction in this case led to right hydronephrosis. Though obstruction can lead to cortical microcyst formation, these microcysts are typically not grossly visible.

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Dominant polycystic kidney disease显性遗传性多囊肾(DPKD)

Very rarely, dominant polycystic kidney disease (DPKD) can manifest at birth, and microscopically the distinctive feature in the kidneys is a glomerular cyst in which a glomerulus is involved with the cystic change, as shown here.

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Dominant polycystic kidney disease 显性遗传性多囊肾(DPKD)

With dominant polycystic kidney disease (DPKD), intracranial berry aneurysms are more common, and rupture of such an aneurysm may preceed development of renal failure.

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Dominant polycystic kidney disease显性遗传性多囊肾(DPKD)

The cut surface of a markedly enlarged kidney from an adult with dominant polycystic kidney disease (DPKD) shows very large cysts that can be filled with clear fluid or filled with recent or organizing hemorrhage.

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