Differential Diagnosis in Dermatopathology

Discussions

Ichthyosis vulgaris and X-linked ichthyosis are true ichthyoses in the sense that the clinical appearance of their scales resembles vaguely those of fish (In Greek, ichthos means fish, and -osis means a condition of). As in all ichthyoses, the scale…

Histologic Diagnosis of Inflammatory Skin Diseases

Bibliography

Bibliography Bibliography for acrodermatitis enteropathica Danbolt N, Closs K. Acrodermatitis enteropathica. Acta Derm Venereol (Stockh) 1943; 23:127. De Raeve L, De Meirleir L, Ramet J, et al. Acrodermatitis enteropathica-like cutaneous lesions in…

Histologic Diagnosis of Inflammatory Skin Diseases

Crohn’s disease

Crohn’s disease Synonyms Inflammatory bowel disease Regional ileitis Regional enteritis Chronic cicatrizing enteritis Presentation stereotypical Age and sex Young adults; slight predominance of women Distribution of lesions The poles of the ga…

Histologic Diagnosis of Inflammatory Skin Diseases

Factitious dermatitis and panniculitis

Factitious dermatitis and panniculitis Synonyms Self-induced skin disease Pathomimicry Dermatitis artifacta Munchhausen syndrome Dermatitis passivata Factitial lymphedema (Secretan syndrome) Malingering Self-mutilation Presentation stereotypical Age…

Differential Diagnosis in Dermatopathology

Trichoadenoma vs. Microcystic adnexal carcinoma

A malignant neoplasm of melanocytes that, in the skin, begins as a macule and may become a patch or a papule. A flat lesion of melanoma tends to be asymmetrical, poorly circumscribed with a scalloped, jagged, or notched border, and variegate, mostly…

Histologic Diagnosis of Inflammatory Skin Diseases

Erythema figuratum

Erythema figuratum Synonyms Erythema figuratum perstans Figurate erythema Annular erythema Presentation stereotypical Age and sex Adults of both sexes, but women especially Distribution of lesions Localized or widespread, trunk and proximal extremit…

Differential Diagnosis in Dermatopathology

Discussions

Nevus verrucosus and acanthosis nigricans are processes that affect the papillary dermis and the epidermis. Both conditions may display hyperkeratosis, epidermal hyperpigmentation, papillomatosis, melanophages, and an increased number of fibrocytes…