Search Results for: spindle-cell hemangioma

Histologic Diagnosis of Inflammatory Skin Diseases

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…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

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…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…

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…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…scarring processes, e.g., dermatofibroma. 10.70.2A: Panniculitis, lobular + 10.70.2B: Interwoven fascicles of plump oval and spindle-shaped fibrocytes in conjunction with fibrillary bundles of collagen, abundant mucin, scattered lymphocytes, and…

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….

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….

Differential Diagnosis in Dermatopathology

Pretibial myxedema vs. Scleromyxedema

…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…

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…