Differential Diagnosis in Dermatopathology

Nodular scabies vs. Lymphomatoid papulosis

…oss of hair attributable either to the effects of inflammatory cells on follicles or to physiological or mechanical factors in which inflammatory cells play no role. Although the scalp is the site most often affected, any region of the skin that bear…

Differential Diagnosis in Dermatopathology

Mucha-Habermann disease vs. Secondary syphilis

…oss of hair attributable either to the effects of inflammatory cells on follicles or to physiological or mechanical factors in which inflammatory cells play no role. Although the scalp is the site most often affected, any region of the skin that bear…

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

…oss of hair attributable either to the effects of inflammatory cells on follicles or to physiological or mechanical factors in which inflammatory cells play no role. Although the scalp is the site most often affected, any region of the skin that bear…

Differential Diagnosis in Dermatopathology

Lymphomatoid papulosis vs. Mycosis fungoides, plaque

…oss of hair attributable either to the effects of inflammatory cells on follicles or to physiological or mechanical factors in which inflammatory cells play no role. Although the scalp is the site most often affected, any region of the skin that bear…