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Article
Chordoma arising from the coccygeal disc and mimicking a pilonidal cyst
Chordomas are rare, low-grade malignant tumors often found in the sacrococcygeal region and prone to local recurrence. We report an atypical presentation of a 40-year-old patient with a symptomatic midline ret...
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Article
The value of GLI1 and p16 immunohistochemistry in the premolecular screening for GLI1-altered mesenchymal neoplasms
Mesenchymal neoplasms with GLI1 alterations have recently been reported in several anatomic locations. Their morphology and immunohistochemistry (IHC) are nonspecific, making their recognition a true challenge. T...
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Article
Survey of ERG expression in normal bone marrow and myeloid neoplasms
The immunohistochemical stain ERG is a useful diagnostic marker for leukemia cutis. Translocations involving the ERG gene have been identified in acute myeloid leukemia (AML) and it plays critical roles in differ...
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Chapter
Sarcomas
Soft tissue pathology encompasses a remarkably diverse assortment of more than 100 benign and malignant tumors. Two major groups of genetic events can be seen in sarcomas. The first comprises of tumors with tr...
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Chapter
Pigmentary Alterations and Benign Melanocytic Lesions of the Vulva
Pigment alterations of the vulva are quite common and due to either hypopigmentation or hyperpigmentation caused by a wide range of inflammatory, infectious, and neoplastic disorders. Because of this broad ran...
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Chapter
Cutaneous Cryoglobulinemic Vasculitis
The Chapel Hill Consensus Conference criteria define cryoglobulinemic vasculitis (CV) as “vasculitis, with cryoglobulin immune deposits, affecting small vessels (i.e. capillaries, venules, or arterioles), and ...
