Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Colors Stereotypical for Diseases Specific?

“The color of skin lesions varies as already stated. … White lesions are rare excepting in exfoliative diseases, the scales of which are white. They usually result from loss of pigment. White spot disease, morphea, some of the idiopathi…

Histologic Diagnosis of Inflammatory Skin Diseases

Nerves

Both somatic sensory and autonomic motor nerves are present in skin (Fig. 1.82). The somatic sensory system mediates sensations of pain, itch, temperature, light touch, discriminative touch, pressure, vibration, and proprioception. Nerves of the aut…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

Images 11.13.1A: Perivascular and interstitial dermatosis, infundibulocentric + 11.13.1B: Small lymphocytes, large abnormal lymphocytes, neutrophils and eosinophils = Lymphomatoid papulosis ¬†Episodically, as shown here, an infiltrate of l…

Histologic Diagnosis of Inflammatory Skin Diseases

Atopic dermatitis

Atopic dermatitis Synonyms Neurodermatitis Atopic eczema Presentation stereotypical Age and sex All ages and both sexes; in infants, children, and young adults who are atopic and in whom the signs of rubbing and scratching tend to be distributed on…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Churg-Strauss Granuloma and Allergic Granulomatosis?

“The occurrence of a clinical syndrome of severe asthma, fever, and hypereosinophilia, together with symptoms of vascular embarrassment in various organ systems, has been established. . . . The basic anatomical changes . . . consisted of wide…

Histologic Diagnosis of Inflammatory Skin Diseases

Dermatitis herpetiformis

Dermatitis herpetiformis Synonyms During-Brocq disease Duhring’s disease Presentation stereotypical Age and sex Begins usually in young adults, but may appear for the first time in children or in middle-aged persons; no predilection for eith…

Histologic Diagnosis of Inflammatory Skin Diseases

Applicable Terms

ABSCESS [L. abscessus (a going away)]: Clinically, a circumscribed collection of pus and histopathologically a localized collection of neutrophils. An abscess may form in the epidermis, both surface and infundibular, eccrine ducts, dermis, and subcu…