Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Atopic Dermatitis?

…that often are linked to eczema and atopic dermatitis, namely, neurodermatitis and prurigo. Implicit in the word neurodermatitis is the sense of a role for cutaneous nerves in the pathogenesis of that supposed disease of the skin. In fact, that was t…

Histologic Diagnosis of Inflammatory Skin Diseases

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

…osions/Ulcers Synonyms Lichen simplex chonicus (circumscribed neurodermatitis, lichen Vidal, lichen circumscripta, neurodermatitis, neurodermatitis circumscripta, lichen simplex, secondary lichenification) Prurigo nodularis (nodular lichenification)…

Histologic Diagnosis of Inflammatory Skin Diseases

Confusing Terms (to be Avoided Scrupulously)

APOPTOSIS [Gk. apo- (away from) + ptosis (a falling)]: Reputed to be a specific type of cell death in which dead cells are said to undergo fragmentation by implosion with subsequent phagocytosis of nuclear debris (Fig. 3.40). The process is claimed…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Reactive Perforating Collagenosis?

“A case is presented exhibiting an unusual reaction of the skin to superficial trauma. In response to minor trauma, certain changes take place within the papillary layer of the corium characterized by affinity of the connective tissue for he…

Dermatology Practical & Conceptual

Notalgia paresthetica: the unreachable itch

Abstract Background: Notalgia paresthetica (NP) is a very common, under-recognized condition characterized by pruritus in a unilateral, dermatomal distribution in the mid-back. Chronic pruritus is sometimes accompanied by pain, paresthesias, or alte…

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…

Histologic Diagnosis of Inflammatory Skin Diseases

Lichen striatus

Lichen striatus Synonyms Linear lichenoid dermatosis Presentation stereotypical Age and sex Mostly girls, but sometimes boys and young adults of both sexes Distribution of lesions Usually an extremity Arrangement of lesions Linear Individual lesions…

Histologic Diagnosis of Inflammatory Skin Diseases

Fox-Fordyce disease

Fox-Fordyce disease Synonyms Apocrine miliaria Presentation stereotypical Age and sex Postpubertal women mostly Distribution of lesions Sites where apocrine glands are numerous, i.e., axillae, periumbilical, pubic, and areolae Arrangement of lesions…