月归档:四月 2011

At the arrow can be seen some brown-black pigment characteristic of melanoma箭头所示黑色素是色素黑色素瘤的特征

The neoplasm with the greatest propensity to metastasize to heart is melanoma. The metastatic melanoma is seen here to be infiltrating into the myocardium. At the arrow can be seen some brown-black pigment characteristic of melanoma.

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The surface of the epicardium are pale white-tan nodules of metastatic tumor心外膜的表面是暗淡的white-tan转移性肿瘤结节

Primary tumors of the heart are uncommon. Metastases to the heart are more common, but rare overall (only about 5 to 10% of all malignancies have cardiac metastases). Seen over the surface of the epicardium are pale white-tan nodules of … 继续阅读

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Cardiac myxoma shows minimal cellularity最小心脏黏液瘤的细胞

This high power microscopic appearance of cardiac myxoma shows minimal cellularity. Only scattered spindle cells with scant pink cytoplasm are present in a loose myxoid stroma.

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Atrial myxoma 心房粘液瘤

The left atrium has been opened to reveal the most common primary cardiac neoplasm–an atrial myxoma. These benign masses are most often attached to the atrial wall, but can arise on a valve or in a ventricle. They can produce … 继续阅读

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Cardiac rhabdomyoma 心脏横纹肌瘤

This two year old child died suddenly. At autopsy, a large firm, white tumor mass was found filling much of the left ventricle. This is a cardiac rhabdomyoma. Such primary tumors of the heart are rare.

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Viral myocarditis 病毒性心肌炎

The interstitial lymphocytic infiltrates shown here are characteristic for a viral myocarditis, which is probably the most common type of myocarditis. Many of these cases are probably subclinical. Some may be a cause for sudden death in young persons. There … 继续阅读

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Chronic rheumatic valvulitis 慢性风湿性心瓣膜病

In time, chronic rheumatic valvulitis may develop by organization of the acute endocardial inflammation along with fibrosis, as shown here affecting the mitral valve. Note the shortened and thickened chordae tendineae.

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Acute rheumatic carditis 急性风湿性心脏炎

Another peculiar cell seen with acute rheumatic carditis is the Anitschkow myocyte. This is a long, thin cell with an elongated nucleus.

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Aschoff nodule at high magnification 阿少夫小体高倍镜

Here is an Aschoff nodule at high magnification. The most characteristic component is the Aschoff giant cell. Several appear here as large cells with two or more nuclei that have prominent nucleoli. Scattered inflammatory cells accompany them and can be … 继续阅读

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Acute rheumatic carditis 急性风湿性心脏炎

Microscopically, acute rheumatic carditis is marked by a peculiar form of granulomatous inflammation with so-called “Aschoff nodules” seen best in myocardium. These are centered in interstitium around vessels as shown here. The myocarditis may be severe enough to cause congestive … 继续阅读

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