Search Results for: itch-scratch sequence

Histologic Diagnosis of Inflammatory Skin Diseases

The Algorithmic Method

An algorithm is a method for calculation based on logical thought and orderly sequence, one that can be utilized for diagnosis of diseases of all kinds, including inflammatory ones of the skin. Once a disorder of the skin and/or subcutaneous fat…

Histologic Diagnosis of Inflammatory Skin Diseases

Nail Units

…he isthmus, the outer sheath there cornifies in a distinctive unfettered fashion. When a nail separates from its bed as a consequence of a variety of processes pathologic, the epithelium of the bed proceeds to cornify in an equally unrestrained…

Hypertrophic lichen planus versus prurigo nodularis: a dermoscopic perspective

Hypertrophic lichen planus versus prurigo nodularis: a dermoscopic perspective

…urodermatitis of unclear etiology characterized by excoriated, intensely pruritic nodules, which are secondary to an intense itchscratch cycle (Figure 1b). It was first described by Hardaway in 1880 and named by Hyde and Montgomery in 1909 [2]. It…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Changing Mole?

…ey cease growing almost entirely. Such change is expected. Miescher’s nevi on the face that enlarge and redden as a consequence of rupture of an infundibular cyst beneath them with subsequent induction of suppuration, granulomatous…

Histologic Diagnosis of Inflammatory Skin Diseases

Lichen simplex chronicus/Prurigo nodularis/Picker’s nodule/Erosions/Ulcers

…enic. So-called atopic dermatitis is not a disease of the skin sui generis, but rather the result of animated rubbing and of scratching skin that itches by virtue of a combination of influence genetic, i.e., the atopic state (for which reason mucous…

Histologic Diagnosis of Inflammatory Skin Diseases

Algorithms Predicated on “Nonspecific” Findings

…bove the epidermal basal layer = Creeping eruption + Cercaria in the middle of the epidermal spinous layer = Swimmer”s itch + Wedge-shaped perivascular and interstitial infiltrate of lymphocytes and eosinophils = Insect “bite” +…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Xerosis, Asteatosis, Asteatotic Eczema, Eczema Craquelé, and Dry Skin?

…ition is called dandruff. It may well be that because of the upright posture of man and changes of inevitable stasis as a consequence, scales of the stratum disjunction on the legs, rather than being invisible as they are normally on all other sites…