Search Results for: ulcer

The mythical concept and untoward consequences of a diagnosis of dysplastic nevus: an overdue tribute to A. Bernard Ackerman, MD

The mythical concept and untoward consequences of a diagnosis of dysplastic nevus: an overdue tribute to A. Bernard Ackerman, MD

…thinking. Medical history is replete with examples of destroyed myths. For instance, it was believed for decades that peptic ulcer disease was simply a result of stress and anxiety, but now we understand from Barry Marshall and Robin Warren that the…

Histologic Diagnosis of Inflammatory Skin Diseases

Crohn’s disease

…tion of the dermis and the subcutaneous fat Perivascular and sometimes periadnexal infiltrate composed mostly of lymphocytes Ulceration sometimes Late Patchy fibroplasia in lobules in the panniculus in conjunction with granulomatous inflammation…

Histologic Diagnosis of Inflammatory Skin Diseases

Factitious dermatitis and panniculitis

…tefactual panniculitis. Alpha-1-antitrypsin deficiency panniculitis consists of tender erythematous nodules, plaques, and/or ulcers on the trunk and extremities; although features clinical often are claimed to be related to trauma, it seems that the…

Zosteriform cutaneous leishmaniasis diagnosed with the help of dermoscopy

Zosteriform cutaneous leishmaniasis diagnosed with the help of dermoscopy

…neous leishmaniasis inside Israel a month before the rash appeared. On examination, two erythematous nodules, with a central ulcer covered with a yellow crust, were evident on the upper right back (Figure 1A). An erythematous papule was evident as a…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…sect vascular elements thereby creating lobules 9. No fibrous septa 10. Moderately dense, mixed infiltrate of inflammatory cells dispersed throughout the stroma 10. Sparse mononuclear infiltrate of inflammatory cells in non-ulcerated lesions;…

Infectious cancers

Infectious cancers

…(Marshall and Warren) drank a bacterial impregnated liquid to prove their point that H. pylori bacteria resulted in gastric ulcers (and later gastric carcinoma). There were successful investigators who associated an infectious agent with cancer,…