Histologic Diagnosis of Inflammatory Skin Diseases

Lichen planus

Lichen planus Synonyms Lichen ruber planus Lichen ruber Presentation stereotypical Age and sex More common in women, especially young and middle-aged adults Distribution of lesions Flexor surface of forearms and wrists, but no site is exempt. Occu…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Keratosis Lichenoides Chronica?

“So we have to start once more [in regard to what is the authentic nature of lichen rubra moniliformia], returning to the old case of Kaposi by which the question began in 1886.” Pinkus H. Lichen ruber moniliformis Kaposi. Arch Dermato…

Histologic Diagnosis of Inflammatory Skin Diseases

Applicable Terms

…rment type of congenital melanocytic nevus, an epidermal nevus like that known as ichthyosis hystrix, and a connective tissue nevus like a shagreen “patch.” Figure 3.27 Plaque. PROLIFERATION [L. proles (offspring) + ferre (to bear)]: A…

Histologic Diagnosis of Inflammatory Skin Diseases

Cells That Mediate Inflammation (Inflammatory Cells)

…he newly formed phagolysosome, azurophilic granules being more likely to send their contents into phagosomes, whereas specific granules are more likely to discharge their contents extracellularly. Neutrophils function chiefly as phagocytes, but, as m…

Histologic Diagnosis of Inflammatory Skin Diseases

Hair Follicles

…numbers are interspersed among matrical cells in the bulb, few melanocytes are found along the course of the stem and the isthmus; in the infundibulum, melanocytes are disposed in a manner like that of surface epidermis. The growth of hair is cyclica…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Reticular Erythematous Mucinosis?

“Since it was not possible to relate these findings to any known syndrome, a combination of the main signs, reticular erythema and mucinosis, was used to name this entity REM syndrome.” Steigleder GK, Gartmann H, Linker U. REM syndrome…