Histologic Diagnosis of Inflammatory Skin Diseases

Subcutaneous T-cell lymphoma

Subcutaneous T-cell lymphoma Synonyms Subcutaneous panniculitis-like lymphoma Presentation stereotypical Age and sex Mostly women in the third and fourth decades of life Distribution of lesions Extremities, trunk, face, neck, and breasts Arrangement…

Differential Diagnosis in Dermatopathology

Granular-cell tumor vs. Xanthoma

Mammary Paget’s disease is an apocrine carcinoma that begins in mammary glands and extends along lactiferous ducts to the epidermis where it is seen clinically as a scaly, crusted, or eroded plaque on the nipple or areola of women mostly, and…

Differential Diagnosis in Dermatopathology

Pale-cell acanthoma vs. Psoriasis, plaque expression

Mammary Paget’s disease is an apocrine carcinoma that begins in mammary glands and extends along lactiferous ducts to the epidermis where it is seen clinically as a scaly, crusted, or eroded plaque on the nipple or areola of women mostly, and…

Differential Diagnosis in Dermatopathology

Trichoadenoma vs. Microcystic adnexal carcinoma

Mammary Paget’s disease is an apocrine carcinoma that begins in mammary glands and extends along lactiferous ducts to the epidermis where it is seen clinically as a scaly, crusted, or eroded plaque on the nipple or areola of women mostly, and…