Search Results for: cleft

Histologic Diagnosis of Inflammatory Skin Diseases

Langerhans’ Cells

…n sections stained by hematoxylin and eosin, Langerhans” cells are seen to be separated from adjacent keratocytes by a cleft, just as melanocytes are separated from keratocytes by a space, a finding that for more than a century caused them to…

Histologic Diagnosis of Inflammatory Skin Diseases

Hair Follicles

…often appears a marker helpful morphologically to discerning a site crucial to a follicle biologically, namely, artifactual clefts that form between an inner sheath about to cornify and a hair about to do the same. Although the process of…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…gs is that of the localized (Brunsting-Perry) expression of cicatricial pemphigoid. A clue to the diagnosis is the prominent cleft between infundibular epidermis and adjacent dermis. 10.13.2A: Vesicular dermatitis, subepidermal, neutrophils…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…hion 2. No wedge-shaped hypergranulosis as a rule; hypergranulosis without a wedge episodic and not in repeatable pattern 3. Cleft between atrophic epidermis and dermis common 3. Cleft between atrophic epidermis and dermis uncommon 4. No thickened…

Histologic Diagnosis of Inflammatory Skin Diseases

Grover’s disease

…mostly cohesive, they may be unassociated with parakeratosis (pemphigus vulgaris type), they may be present above suprabasal clefts in an epidermis characterized by acantholytic cells throughout at least half the thickness of the spinous zone…

Differential Diagnosis in Dermatopathology

Atrophic lichen planus vs. Atrophic discoid lupus erythematosus

A genetically determined disorder in which numerous closely set keratotic papules are present on the skin, especially the trunk, in nail units, and on mucous membranes, particularly the palate, but also rarely in other parts of the gastrointestinal…