Search Results for: cellulitis

Histologic Diagnosis of Inflammatory Skin Diseases

Algorithms Predicated on “Nonspecific” Findings

…ect “bite” + Neutrophils especially in the interstitium of the reticular dermis and lymphocytes around venules = Cellulitis, e.g., erysipelas + Neutrophils and nuclear “dust” of neutrophils in a nodular infiltrate =…

Histologic Diagnosis of Inflammatory Skin Diseases

α-1 antitrypsin deficiency

…t may ulcerate and heal with atrophic scars, but the shapes of 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…

Hyperkeratotic necrobiosis lipoidica

Hyperkeratotic necrobiosis lipoidica

…crobiosis lipoidica that had erythematous, indurated and tender 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…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…oplasia = Acne keloidalis Changes identical with these are seen in acne conglobata, hidradenitis suppurativa, and dissecting cellulitis of the scalp, all of which begin as fulminant suppurative infundibulitis. 10.1.3A: Pustular dermatitis,…

Histologic Diagnosis of Inflammatory Skin Diseases

Applicable Terms

…erythrocytes congested within dilated blood vessels of the superficial plexus. PHLEGMON [Gk. phlegma (flame, inflammation)]: Cellulitis brought into being usually by microaerophilic streptococci. The process tends to extend throughout the dermis and…

Histologic Diagnosis of Inflammatory Skin Diseases

Deep fungal infections

…ulitides devoid usually of granulomas and, of course, of microorganisms always. Acne conglobata, acne keloidalis, dissecting cellulitis of the scalp, and hidradenitis suppurative, basically, are suppurative infundibulitides associated with…

Histologic Diagnosis of Inflammatory Skin Diseases

Lymphedema

…of lymph nodes, e.g., during mastectomy with axillary node excision. Inflammatory lymphedema is caused by recurrent bouts of cellulitis and lymphangitis, usually by streptococci (elephantiasis verrucosa nostras). Elephantiasis due to filariasis….

Histologic Diagnosis of Inflammatory Skin Diseases

Cold panniculitis

…at develop rapidly usually appear first on the buttocks and from there can extend to involve much of the panniculus adiposa. Cellulitis of the buccal mucosa caused by Haemophilus influenzae presents itself as a blue or red-purple plaque on the face…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…Perivascular and interstitial dermatitis + 10.29.1B: An infiltrate of lymphocytes, neutrophils, and eosinophils = Erysipelas Cellulitis, of which erysipelas is the stereotype, is an example of phlegmonous inflammation, i.e., one in which neutrophils…