Search Results for: peri-infundibulitis

Therapeutic Strategies in Dermatology

Pernio/Chilblains: Key Points

…to temperatures presumed to transient vascular changes in the periphery. In the United States, most patients present with skin findings between December and January, though the disease is overall more common in England and northern Europe. Chilblains…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…and cornified cells, as well as neutrophils of a suppurative infundibulitis are sent flying into the dermis on rupture of the infundibulum, the result being suppurative periinfundibulitis in addition to infundibulitis. Microorganisms found outside…

Histologic Diagnosis of Inflammatory Skin Diseases

Identification of Basic Patterns: Skin: Pustular Dermatitis

…nfundibular cyst) (Fig. 5.315 A&B). Not every suppurative infundibulitis progresses invariably to granulomatous and fibrosing periinfundibulitis, although in explosive examples of the process, such as in some patients with conglobata acne, that…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

Images 10.94.1A: Infundibulitis, spongiotic, and periinfundibulitis, granulomatous + 10.94.1B: Lymphocytes and plasma cells around collections of epithelioid histiocytes = Rosacea, papular  Spongiosis in an infundibulum is a finding common in rosac…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…told to be relatively early because it is so small. 10.60.6A: Periinfundibulitis, lichenoid + 10.60.6B: Infiltrate of lymphocytes in an arc at the base of a thickened, hypergranulotic infundibulum associated with compact orthokeratosis = Lichen plan…

Histologic Diagnosis of Inflammatory Skin Diseases

Applicable Terms

…that is, epithelium of the isthmus, stem, and bulb. See also INFUNDIBULITIS/PERIINFUNDIBULITIS. GRANULATION TISSUE [L. granulum (granule) + –onis (forming) + textere (to weave)]: Highly vascular edematous connective tissue laced with a mixtur…

Histologic Diagnosis of Inflammatory Skin Diseases

Pattern Analysis in Historical Perspective

…consequence of progression downward of fulminant suppurative infundibulitis as happens in acne conglobata, perifolliculitis abscedens et suffodiens, and hidradenitis suppurativa. In the new schema employed here, what was referred to previously as &#…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…iculitis or perifolliculitis, as illustrated here. 10.22.12A: Perifolliculitis, mixed-cell + 10.22.12B: Hyphae in a hair and an inner sheath = Dermatophytosis The presence of perifolliculitis, even in the absence of suppurative infundibulitis, should…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…discoid lupus erythematosus and in dermatomyositis. 10.63.7A: Perivascular dermatitis, interface, vacuolar and periinfundibulitis/perifolliculitis + 10.63.7B: Lymphocytes, telangiectases, mucin in the upper part of the dermis, thickened basement mem…

Histologic Diagnosis of Inflammatory Skin Diseases

Errors and Reasons

…an inflammatory disease. Reason: Traction induces a lichenoid periinfundibulitis (and, sometimes, perifolliculitis, especially of the isthmus) composed mostly of lymphocytes and eventuates in peri-infundibular (and sometimes perifollicular) fibropla…