Search Results for: spindle-cell hemangioma

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,…

Histologic Diagnosis of Inflammatory Skin Diseases

Scar

…ose cells bring forth the entire infundibulo-apocrine-sebaceous-follicular unit. Low-grade fibrosarcoma consists of abnormal spindle cells arranged in fascicles that often interweave in a herringbone pattern. Laboratory confirmation None exists….

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…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…not qualify as an inflammatory disease because of the absence of inflammatory cells. 11.18.2A: No infiltrate of inflammatory cells + 11.18.2B: Fibrocytes and mast cells amidst mucin in the upper part of the dermis = Scleromyxedema At scanning…

Differential Diagnosis in Dermatopathology

Papular mucinosis vs Interstitial granuloma annulare

…radiation keratosis, are euphemisms for various types of superficial squamous cell carcinoma. Very episodically, neoplastic cells of those types of squamous cell carcinoma proliferate wildly, and the primary neoplasm then consists of aggregations…

Dermoscopy of histoid leprosy: a case report

Dermoscopy of histoid leprosy: a case report

…rrow). [Copyright: ©2017 Ankad et al.] Figure 3. Histopathology showing epidermal atrophy, Grenz zone. Dermis is replaced by spindle shaped histiocytes in an interlacing pattern (H & E, 10x). [Copyright: ©2017 Ankad et al.] Discussion HL is…

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…