Search Results for: nodule

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Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Endothelial Swelling?

…ercolating, and penetrating are recognizable through a microscope. The same can be said for the potential for progression; a nodule, for example, of abnormal melanocytes, cannot be judged through a microscope to be “expansile!”…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Cutaneous Horn?

…er Verlag, 1991:1002. “The cutaneous horn is a morphologic designation for a projectile, conical, dense hyperkeratotic nodule that resembles the horn of an animal.” Schwartz RA, Stoll HL. Epithelial precancerous lesions. In: Fitzpatrick…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

Dermatofibroma, hemorrhagic papulo-nodule Kaposi’s sarcoma, hemorrhagic papulo-nodule 1. Poorly circumscribed; border sometimes jagged 1. Well-circumscribed; border smooth 2. Epidermis acanthotic and hyperpigmented 2. Epidermis thinned and…

Differential Diagnosis in Dermatopathology

Images

…Dermatofibroma, hemorrhagic papulo-nodule Kaposi’s sarcoma, hemorrhagic papulo-nodule

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Dermatofibroma?

…than a neoplastic, process. It begins as a pink macule that quickly becomes a red papule and sometimes even a red or purple nodule. In time the domed lesion becomes brown, and, in the course of years, it slowly but surely flattens into a macule…

Differential Diagnosis in Dermatopathology

Trichoblastoma, small nodular type vs. Trichoblastoma, large nodular type

…gged, or notched border, and variegate, mostly shades of brown. A patch may become a plaque or upon it may develop a papule, nodule, or tumor. A papule may develop into a nodule or tumor. The surface of an elevated lesion of melanoma tends to be…

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