Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Psychocutaneous Disorders?

…conflict but that in time is suspended voluntarily. Signs of excoriation and of lichen simplex chronicus are sure indications that patients themselves are responsible for those lesions, by scratching in the first instance and by persistent rubbing i…

Histologic Diagnosis of Inflammatory Skin Diseases

Identification of Basic Patterns: Skin: Vasculitis

…a gangrenosum, and also from external injury that ranges from excoriation frenetically, as in so-called perforating collagenosis, to second- and third-degree burns of all kinds, such as that inflicted by electrodesiccation. Parenthetically, the white…

Histologic Diagnosis of Inflammatory Skin Diseases

Mycosis fungoides

…play crusts as well as scales. Nearly invariable are signs of excoriation excitedly in the form of erosions, ulcers, and hemorrhagic crusts. Persistent light eruption (actinic reticuloid) is distributed mostly at sites exposed to rays of the sun and…

Histologic Diagnosis of Inflammatory Skin Diseases

"Folliculitis" (Infundibulitis)

…cess having long been obscured by the effects of friction and excoriation. Kyrle’s disease, described originally under the title, “hyperkeratosis follicularis et parafollicularis in cutem penetrans,” and reputed to be an autosomal r…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…ils in foci of parakeratosis (unless affiliated with signs of excoriation) 5. Granular zone decreased or nearly absent 5. Granular zone mostly present 6. Pustules, sometimes spongiform, at all levels of the epidermis of some lesions 6. No pustule…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Keratosis Lichenoides Chronica?

…ent case. The fact that our patient does not have pruritus or excoriation is at variance with what is usually reported by patients with lichen ruber moniliformis.” Margolis concluded that the unusual condition encountered by him was a “ne…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Perforating Diseases?

…ce of severe trauma external, usually in the form of vigorous excoriation that results in ulceration and degeneration of collagen bundles situated in the upper part of the dermis. Normal bundles of collagen that appear red in sections stained by hema…

Histologic Diagnosis of Inflammatory Skin Diseases

Grover’s disease

…ns of tissue of the disease often are complicated by signs of excoriation, namely, erosions, ulcers, and crusts. Those changes secondary may obscure the underlying acantholytic process. When Grover’s disease is suspected, sections must be scrut…