Search Results for: spindle-cell hemangioma

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Fibromatoses?

…gray area between reactive proliferations and neoplasms and range from those composed largely of dense collagen with sparse spindle cells to densely cellular tumor-appearing masses. Classification: Palmar, plantar and penile fibromatosis Desmoid…

Extraocular sebaceous carcinoma: a series of three cases with varied presentation

Extraocular sebaceous carcinoma: a series of three cases with varied presentation

…patterns like clear cells and a plasmacytoid morphology. However, one needs to consider the overall morphology, presence of spindle cells, mitotic activity and myoepithelial markers, if necessary, to make the distinction [8]. A metastatic tumour…

Nail apparatus melanoma initially diagnosed as nail matrix blue nevus: a case report with dermatoscopy and dermatopathology

Nail apparatus melanoma initially diagnosed as nail matrix blue nevus: a case report with dermatoscopy and dermatopathology

…ted as 71.7% [3] with the median Breslow thickness of nail apparatus melanoma being reported as 0.8 mm with up to 18% having spindle shaped cells [4]. All reported nail apparatus melanomas have apparently arisen de novo, there being no reports of…

Differential Diagnosis in Dermatopathology

Morphea, late stage vs. Collagenous nevus

A systemic disease, which manifests itself in the skin first as violaceous macules and patches that tend to progress to papules and plaques, and sometimes to nodules and tumors, all of which represent hyperplasia of endothelial cells.

Differential Diagnosis in Dermatopathology

Pretibial myxedema vs. Scleromyxedema

A systemic disease, which manifests itself in the skin first as violaceous macules and patches that tend to progress to papules and plaques, and sometimes to nodules and tumors, all of which represent hyperplasia of endothelial cells.

Differential Diagnosis in Dermatopathology

Papular mucinosis vs Interstitial granuloma annulare

A systemic disease, which manifests itself in the skin first as violaceous macules and patches that tend to progress to papules and plaques, and sometimes to nodules and tumors, all of which represent hyperplasia of endothelial cells.

Histologic Diagnosis of Inflammatory Skin Diseases

Nodular fasciitis

…fibroplasia occurs late and accounts for the firmness. Differential diagnosis histopathologic Fibrosarcoma exhibits abnormal spindle cells arranged in fascicles that tend to assume a herringbone pattern and does not display either abundant mucin or,…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…stellate 8. No apparent increase in amount of collagen 8. Increase an amount of basophilic-staining collagen 9. Hair follicles spared by the process 9. Hair follicles destroyed by the process 10. No perivascular infiltrate of inflammatory cells 10….

Differential Diagnosis in Dermatopathology

Pigmented Lesions

…es several of them, e.g., “Spitz’s” cells, “balloon” cells, and “deep penetrating” cells, in addition to cells conventional in a congenital nevus. Miescher’s (526, 570) Dome-shaped with nests, cords…

Differential Diagnosis in Dermatopathology

Discussions

…ment of nearly the entire dermis by the innumerable dilated blood vessels lined by plump endothelial cells, some endothelial cells in mitosis, a mixed infiltrate of inflammatory cells, stroma that tends to be edematous and contain some mucin and…