Differential Diagnosis in Dermatopathology

Apocrine mixed tumor vs. Eccrine mixed tumor

…solely as noninflammatory lesions, i.e., comedones and intact cysts, or as inflammatory lesions, i.e., papules, nodules, and pustules. The process may resolve without residua or with scars of different types, e.g., keloidal or atrophic, including cri…

Differential Diagnosis in Dermatopathology

Discussions

…nevoid follicular epidermolytic hyperkeratosis), infundibular cysts, benign solitary keratoses (epidermolytic acanthomas), and solar keratoses, and as an incidental finding in tiny foci within the epidermis of various inflammatory diseases and benign…

Differential Diagnosis in Dermatopathology

Discussions

…Those lesions have been reputed to follow trauma, rupture of cysts, insect “bites,” vaccinations, and hyposensitization injections, although in most instances the cause of pseudolymphomas in general remain obscure. Clinically, “Pse…

Histologic Diagnosis of Inflammatory Skin Diseases

Sweet’s syndrome

…ecause they usually form secondary to rupture of infundibular cysts; they are not generally accompanied by striking edema of the papillary dermis. Laboratory confirmation White blood cell count reveals leukocytosis of neutrophils. Cause and mechanism…