Search Results for: scars

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Erythema Dyschromicum Perstans?

…entary alteration with regard to identification of cause based on changes histopathologic is not unique. It is true also for scars, keloids, and dermatofibromas, all of which are fibrosing inflammatory processes that examination by conventional…

Clinical Case Studies

Extensive Actinic Damage

…ographic surgical procedures for basal cell carcinoma as well as squamous cell carcinoma with resultant well-healed surgical scars on his forehead, nose, and cutaneous upper lip. On examination, numerous scaly erythematous plaques were evident on…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Fibromatoses?

…acture, Ledderhose’s disease, and Peyronie’s disease are fibrosing inflammatory processes (peculiar hypertrophic scars), Hügel’s plaque-like dermal fibromatosis is a connective tissue nevus (of myofibrocytes), and desmoid tumor is…

Differential Diagnosis in Dermatopathology

Acne vulgaris, erythematous papule vs. Rosacea, erythematous papule

Conditions caused by infection with different strains of herpesvirus and typified when fully developed by tense vesicles, herpes simplex consisting of grouped vesicles on an erythematous base, zoster being made up of vesicles, sometimes hemorrhagic…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Hyalin?

…llular hyaline deposits. Extracellular hyalin has been somewhat more difficult to analyze. Collagenous fibrous tissue in old scars may appear hyalinized … In long-standing hypertension and diabetes mellitus, the walls of arterioles, especially in…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Keratosis Lichenoides Chronica?

…ikely a manifestation of an abnormal reactivity of the skin to trauma resulting in formation of linear bands of hypertrophic scars.” Mehregan AH, Heath LE, Pinkus H. Lichen ruber moniliformis and lichen ruber verrucosus et reticularis of…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Palpable Purpura?

…lpable purpuras. Mucha-Habermann disease, in addition to consisting of reddish papules, scaly papules, vesicles, ulcers, and scars, often displays purpuric papules. The papules are formed mostly by infiltrates of lymphocytes around venules of both…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Parapsoriasis?

…egin as pink macules that soon become red papules, purpuric papules, vesicles, some of which may be hemorrhagic, ulcers, and scars. When lesions of Mucha-Habermann disease develop slowly (pityriasis lichenoides chronica), pink, nonpurpuric, scaly…

Histologic Diagnosis of Inflammatory Skin Diseases

Behçet’s Disease

…l nodules on the calf or calves of thick-legged women. The nodules tend to ulcerate and to heal with atrophic hyperpigmented scars. Findings histopathologic Infiltrate of lymphocytes around venules in the reticular dermis and the subcutaneous fat…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…brosis, as it does in the course of many months or years, the condition is termed “atrophie blanche” because the scars are white. 10.62.3A: Vasculitis, small-vessel type, mixed-cell + 10.62.3B: Thrombi in the lumen of many venules and in…