... with lymphomatoid papulosis ( 147 ). Various forms of dermatitis, eczema, and psoriasis show significant clinical overlap with classic mycosis fungoides, particularly in its early stages ( 148 ). In addition, there are rare but well-documented clinical variants of mycosis fungoides that mimic inflammatory...

... differentiation has been suggested by some authors ( 138 ). ACTINIC HEMANGIOMA Figure 2-105 ACTINIC HEMANGIOMA CD31-positive endothelial cells (brown) are completely surrounded by actin-positive myopericytes (red). Differential Diagnosis . Acrodermatitis as a severe form of stasis dermatitis is usually seen...

... tests are often present ( 2 ). Dermatitis herpetiformis, an intensely pruritic rash composed of nodules and blisters, is seen in 10 to 15 percent of patients. The rash waxes and wanes, showing a predilection for the forearms, knees, buttocks, and hairline. Only 20 percent of patients with dermatitis...

... . 158. Purdy   JK , Appelman   HD , Golembeski   CP , McKenna   BJ . Lymphocytic esophagitis: a chronic or recurring pattern of esophagitis resembling allergic contact dermatitis . Am J Clin Pathol   2008 ; 130 : 508 - 13 . 159. Haque   S , Genta   RM . Lymphocytic...

.... 10-18 ). The mean age of affected patients is 71 years (range, 55 to 84 years) ( 87 ). A clinical misdiagnosis of eczema or dermatitis may delay appropriate therapy ( 64 ). PAGET DISEASE OF THE SCROTUM Figure 10-18 PAGET DISEASE OF THE SCROTUM An ill-defined eczematous, scaly lesion involves...