Search Results for: nodule

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Inverted Follicular Keratosis, Tricholemmoma, and Desmoplastic Tricholemmoma?

…dy. These lesions are characterized clinically by a papule or nodule, practically always single and usually projecting from the surface. The character of the cells comprising the central cellular mass ranges from what is natural for a cell immediatel…

Dermatology Practical & Conceptual

Glomangiosarcoma in the shoulder of a 51-year-old man

…er his trunk and neck. A 1 cm pink, firm, rubbery, non-tender nodule was present on the back of left shoulder. There was no lymphadenopathy. A shave biopsy of the left shoulder lesion was performed. Histopathological findings Shave biopsy showed a ce…

Dermatology Practical & Conceptual

Nodules on the right ear

…boy with a one-year history of asymptomatic, slowly enlarging nodules affecting his right ear was seen. The patient’s past medical history was unremarkable, he was not immunosuppressed, he was not taking any drugs, and he was employed as a rubb…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

-oid?

…alisade, as is the case for granuloma annulare and rheumatoid nodule. “Histiocytes,” as the neoplastic cells of epithelial sarcoma are claimed to be, are nonepithelial and, therefore, referring to them as “epithelioid is, at the lea…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Endothelial Swelling?

…pe. 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!” Endothelial cells, like all types of cells, can be described morphologica…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Dermatofibroma?

…ickly 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 that is hypopigmented in its center and hyperpigmented at its perip…

Differential Diagnosis in Dermatopathology

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

…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 uneven. When a melanoma is no longer flat, it has capability to met…