Differential Diagnosis in Dermatopathology

Nodular scabies vs. Lymphomatoid papulosis

…es 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 atrophy and hyperpigmentation (classic dis…

Differential Diagnosis in Dermatopathology

Mucha-Habermann disease vs. Secondary syphilis

…es 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 atrophy and hyperpigmentation (classic dis…

Histologic Diagnosis of Inflammatory Skin Diseases

Lymphocytoma cutis

…hout Epithelial and nonepithelial structures of adnexa tend to be spared Vasculature in the dense infiltrate prominent, the number of thick-walled blood vessels lined by plump endothelial cells appear to be increased in number Infiltrate often mixed…

Histologic Diagnosis of Inflammatory Skin Diseases

Mucha-Habermann disease

…ion of lesions Widespread, particularly arms, legs, trunk, and buttocks Arrangement of lesions Scattered but discrete Individual lesions Red macules and papules, purpuric and necrotic papules, vesicles, ulcers, and scars Course Sometimes transient, i…

Differential Diagnosis in Dermatopathology

Discussions

…gic between Mucha-Habermann disease and secondary syphilis may be difficult because the two diseases have so many attributes in common. Both may be associated with a superficial and deep perivascular and lichenoid infiltrate of mononuclear cells, aca…

Differential Diagnosis in Dermatopathology

Papular mucinosis vs Interstitial granuloma annulare

…es 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 atrophy and hyperpigmentation (classic dis…

Differential Diagnosis in Dermatopathology

Lymphomatoid papulosis vs. Mycosis fungoides, plaque

…es 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 atrophy and hyperpigmentation (classic dis…