月归档:三月 2012

Spleen in Systemic Mastocytosis脾脏肥大细胞增生症

The mast cells stain with chloroacetate esterase and demonstrate tryptase, chymase, carboxypeptidase, CD68 and CD117. They are negative for myeloperoxidase and CD20. Several mast cells can be seen in this high magnification view.

发表在 未分类 | 留下评论

Myxoid inflammatory fiber mother cell sarcoma粘液样炎性纤维母细胞肉瘤

Myxoid inflammatory fiber mother cell sarcoma Men, 15 years old, right shoulder the mass 3 years, grew up more

发表在 未分类 | 留下评论

Agnogenic Myeloid Metaplasia不明原因的骨髓组织异常增生

At higher magnification, some of the megakaryocytes appear dysplastic. About 20% of patients of AMM undergo transformation to acute leukemia. Treatment is mostly palliative and is aimed at improving cytopenias and reducing symptomatic organomegaly.

发表在 未分类 | 留下评论

Cavernous Hemangioma 海绵状血管瘤

The vascular channels are lined by plump endothelial cells. The channels were variably sized and involved the entire spleen (angiomatosis).

发表在 未分类 | 留下评论

Hodgkin’s Lymphoma何杰金氏淋巴瘤

Higher magnification view shows Reed-Sternberg cells with inclusion-like macronucleoli and abundant cytoplasm, surrounded by lymphocytes, macrophages, and occasional eosinophil.

发表在 未分类 | 留下评论

Hodgkin’s Lymphoma霍奇金淋巴瘤

Low power view shows the typical polymorphic background and numerous Reed-Sternberg cells and variants. This case was nodular sclerosis subtype. Since it not a factor in therapy, subclassification of Hodgkin’s lymphoma in spleen is not necessary.

发表在 未分类 | 留下评论

Gaucher’s Disease 高雪氏症

The most common type, Type I (non-neuronopathic form) results in accumulation of lipids in spleen and skeletal systems. Type II (Acute neuronopathic form) shows CNS involvement with early death. Type III has features intermediate between types I and II. The … 继续阅读

发表在 未分类 | 留下评论

Lepromatous Lymphadenitis麻疯病淋巴结炎

Lymph node involvement is not common in leprosy which tends to involve cooler acral regions. However, patients with impaired cellular immunity may develop lepromatous form of leprosy in which generalized lymphadenopathy can occur. In the involved lymph nodes, the lymphocytes … 继续阅读

发表在 未分类 | 留下评论

Botryoid rhabdomyosarcoma葡萄簇型横纹肌肉瘤

葡萄簇型横纹肌肉瘤(botryoid rhabdomyosarcoma) This is a kind of from under a polypoid mucosa, the growth of special type embryonic type leiomyosarcoma, about of all leiomyosarcoma of 5 to 10%

发表在 未分类 | 留下评论

Syphilitic Lymphadenitis感染梅毒的淋巴结炎

Lymph Node in Secondary Syphilis: Another view of florid follicular hyperplasia in secondary syphilis. Partially fused lymphoid follicles may assume bizarre shapes as seen here.

发表在 未分类 | 留下评论