Search Results for: cellulitis

Dermatology Practical & Conceptual

Hyperkeratotic necrobiosis lipoidica

…plaques with superficial ulceration that clinically mimicked cellulitis [15]. The lesions were not yellow or waxy and no telangiectasia was seen. Liapon and Mashkilleison et al reported a case of necrobiosis lipoidica in a non-diabetic patient that…

Histologic Diagnosis of Inflammatory Skin Diseases

Errors and Reasons

…be the enlargement of endothelial cells. Error: Eosinophilic cellulitis, eosinophilic fasciitis, eosinophilic folliculitis, eosinophilic panniculitis, and eosinophilic spongiosis describe accurately those pathologic processes. Reason: The cellulitis

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…in acne conglobata, hidradenitis suppurativa, and dissecting cellulitis of the scalp, all of which begin as fulminant suppurative infundibulitis. 10.1.3A: Pustular dermatitis, infundibular, and peri-infundibulitis, granulomatous + 10.1.3B: Hair shaf…

Histologic Diagnosis of Inflammatory Skin Diseases

Algorithms Predicated on “Nonspecific” Findings

…tium of the reticular dermis and lymphocytes around venules = Cellulitis, e.g., erysipelas + Neutrophils and nuclear “dust” of neutrophils in a nodular infiltrate = Sweet”s syndrome + Atypical mononuclear cells in a dense diffuse in…

Histologic Diagnosis of Inflammatory Skin Diseases

a-1 antitrypsin deficiency

…the lesions are not bizarre and the ulcers are not very deep. Cellulitis may be indistinguishable from α-1-antitrypsin deficiency panniculitis at an early stage of it. Findings histopathologic Early Splaying of neutrophils between bundles of collagen…

Histologic Diagnosis of Inflammatory Skin Diseases

The Algorithmic Method

…ry diseases of the skin and when it does occur, as happens in cellulitis, a response to the “bite” of a flea, acute discoid lupus erythematosus, urticarial lesions of dermatitis herpetiformis, and some expressions of dermatophytosis, the…

Histologic Diagnosis of Inflammatory Skin Diseases

Lymphedema

…sion. Inflammatory lymphedema is caused by recurrent bouts of cellulitis and lymphangitis, usually by streptococci (elephantiasis verrucosa nostras). Elephantiasis due to filariasis. Differential diagnosis clinical Venous stasis with postphlebitic ed…

Histologic Diagnosis of Inflammatory Skin Diseases

Deep fungal infections

…rganisms always. Acne conglobata, acne keloidalis, dissecting cellulitis of the scalp, and hidradenitis suppurative, basically, are suppurative infundibulitides associated with granulomatous inflammation and fibrosis. Suppuration in infundibula event…

Histologic Diagnosis of Inflammatory Skin Diseases

Acne vulgaris

…of acne conglobata, hidradenitis suppurativa, and dissecting cellulitis of the scalp (perifolliculitis capitis abscedens et suffodiens) consists of large abscesses that take the form of nodules associated often with sinus tracts and fistulae, those…