Search Results for: macule

Differential Diagnosis in Dermatopathology

Discussions

…contrast, dermatofibrosarcoma protuberans presents itself at first clinically as a skin-colored, slightly yellowish or pink macule or patch that, in time, becomes an indurated plaque on which firm papules, nodules, and tumors develop. The lesion…

Pigmented Bowen’s disease presenting with a “starburst” pattern

Pigmented Bowen’s disease presenting with a “starburst” pattern

…-year-old woman with a prior renal transplantation presented with a four-month history of a progressively enlarging brownish macule on her left leg (Figure 1A). She was treated with mycophenolate mofetil and tacrolimus. Her past medical history…

Differential Diagnosis in Dermatopathology

Discussions

…that intersect the angiomatous elements and, at last, involutes by progressive fibrosis. Kaposi’s sarcoma begins as a macule or patch that is characterized histopathologically by an increase in number of endothelium-lined spaces with jagged…

Differential Diagnosis in Dermatopathology

Dermatofibroma vs. Desmoplastic Spitz’s nevus

Circular orange-red-blue macule(s) or patch(es) that often becomes a papule(s) or plaque(s) and vesiculates, healing with hyperpigmentation, and that occurs repeatedly at the very same cutaneous and/or mucous membrane site(s), especially the…

Regressing basal-cell carcinioma masquerading as benign lichenoid keratosis

Regressing basal-cell carcinioma masquerading as benign lichenoid keratosis

…nd to show “a rather consistent association with senile lentigines.” [14] Moreover, stages in the evolution of the pigmented macule of solar lentigo to the violaceous plaque of BLK, followed by complete disappearance of the lesion, have been…

Differential Diagnosis in Dermatopathology

Discussions

…papule or nodule (rarely a tumor, i.e., so-called giant dermatofibroma), but when it resolves without treatment it becomes a macule with a round central zone of hypopigmentation and a rim of hyperpigmentation. If the inflammatory process is…

Differential Diagnosis in Dermatopathology

Dermatofibroma vs. Dermatofibrosarcoma protuberans

Circular orange-red-blue macule(s) or patch(es) that often becomes a papule(s) or plaque(s) and vesiculates, healing with hyperpigmentation, and that occurs repeatedly at the very same cutaneous and/or mucous membrane site(s), especially the…