1 3 4 5 6 7 10
Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Sclerotic Fibroma?

…iated with Cowden’s disease. . . . Whether this peculiar tumor represents a true hamartoma or a degenerating end of another fibrotic tumor remains to be determined.” Lo WL, Wong CK. Solitary sclerotic fibroma. J Cutan Pathol 1990;17:269&…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Metastasizing Dermatofibroma?

…e. Dermatofibroma thus joins the ranks of “benign” tumors with rare metastasis which include such examples as uterine leiomyomas and salivary mixed tumor.” Colome-Grimmer MI, Evans HL. Metastasizing cellular dermatofibroma: a report…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Tricho-, pilo-, folliculo- ?

…ho-, and folliculo-, are named incorrectly. For example, pilar tumor is not a neoplasm of hair, but a follicular cyst with a lining like that of a normal isthmus and of a normal follicle well embarked on catagen. Proliferating pilar tumor also is a m…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Satellite, in Transit, Regional, and Distant Metastases?

…y are called remote metastases.“ Hertzler AE. Growth of tumors. In: A treatise on Tumors. Philadelphia, PA: Lea & Febiger, 1912:28. “Dermal and subcutaneous metastases (satellites, intransit, or ‘remote’ metastases) are…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Blue Nevus?

…1989;13:39-44. “Blue nevi are benign dermal melanocytic tumors defined originally in terms of their clinically characteristic blue-black color.” Elder DE, Murphy GF. Benign melanocytic tumors (nevi). In: Atlas of tumor pathology: melano…

Dermatology Practical & Conceptual

From the Dermatologikum Hamburg: Quiz

…January 2012, immunostaining with the endothelial marker Wilms tumor 1 (WT1) has been investigated in larger series of the tumor and has illuminated the nature of it. WT1 is considered to be expressed by vascular neoplasms but not by malformations. T…

1 3 4 5 6 7 10