Search Results for: spindle-cell hemangioma

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…sing dermatitis and panniculitis, septal + 10.92.2B: Sclerosis throughout the dermis and an increased number of stellate and spindle-shaped fibrocytes in the upper part of it = Radiation dermatitis, chronic The findings in longstanding lesions of…

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

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

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….

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…

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.

Pigmented Lesions

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…

Melanoma and satellite blue papule

Melanoma and satellite blue papule

…asis. Blue hue can also be seen in nonmelanocytic lesions like seborrheic keratosis, including lichen planus-like keratosis, hemangioma, pigmented basal cell carcinoma, hemosiderotic dermatofibroma, Kaposi sarcoma and angiosarcoma. Finally,…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…al and involutes on its own in time. 11.16.2A: Nodular dermatosis + 11.16.2B: Proliferation of small vessels, edema, a mixed-cell infiltrate, and a thinned epidermis = Pyogenic granuloma, fully developed At the base of the section is a large…