Search Results for: mucin

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Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Churg-Strauss Granuloma and Allergic Granulomatosis?

…ome of those cores are indicative of specific diseases (e.g., mucin in granuloma annulare, abundant fibrin in rheumatoid nodule, and extensive degeneration of collagen and extracellular lipid in necrobiotic xanthogranuloma), whereas other cores do no…

Differential Diagnosis in Dermatopathology

Discussions

…periadnexal infiltrates of lymphocytes, abundant deposits of mucin in the reticular dermis and subcutaneous fat, vacuolar alteration along the dermoepidermal junction of an epidermis thinned focally, a smudged appearance of the dermoepidermal juncti…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…me lesions 12. No findings of discoid lupus erythematosus 13. Mucin common and often abundant in the dermis and/or the subcutaneous fat 13. Mucin uncommon and when present scant 14. Rim of sclerosis around some medium-sized vessels 14. No perivascula…

Differential Diagnosis in Dermatopathology

Atrophic lichen planus vs. Atrophic discoid lupus erythematosus

An inflammatory process that expresses itself in the skin in protean ways that are variations on a basic pathologic theme, and includes evanescent patches on the face (“butterfly blush”), scaly papules and plaques that resolve with atrop…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…y flat endothelial cells at the periphery of some nodules 12. Mucin in the stroma sometimes 12. No mucin 13. Diffuse fibroplasia 13. Fibroplasia around lobules of endothelial cells at the periphery of a lesion 14. Thickened bundles of collagen within…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…hey differ from those of the tumid expression of discoid lupus erythematosus by the absence of copious amounts of mucin in the reticular dermis. What in times past was called “lymphocytic infiltration of Jessner” really is lupus tumidus….

Differential Diagnosis in Dermatopathology

Apocrine (clear-cell) hidradenoma vs. Eccrine (poroid) hidradenoma

An inflammatory process that expresses itself in the skin in protean ways that are variations on a basic pathologic theme, and includes evanescent patches on the face (“butterfly blush”), scaly papules and plaques that resolve with atrop…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Discoid Lupus Erythematosus versus Systemic Lupus Erythematosus? II

…ally adnexal epithelium from the altered periadnexal dermis). Mucin is often abundant in the reticular dermis. The majority of patients who bear lesions of discoid lupus erythematosus show no systemic signs of lupus erythematosus. Under no circumstan…

Differential Diagnosis in Dermatopathology

Infundibulo-folliculo-sebaceous cystic hamartoma vs. Steatocystoma

An inflammatory process that expresses itself in the skin in protean ways that are variations on a basic pathologic theme, and includes evanescent patches on the face (“butterfly blush”), scaly papules and plaques that resolve with atrop…

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