Search Results for: nodule

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Primary and Secondary Lesions?

…ewig G, Wolff HH, et al., eds. Dermatology, 2nd ed. Berlin: Springer-Verlag, 2000:9. “Primary lesions: macule, papule, nodule, patch, plaque, pustule, vesicle, bulla (blister), wheal, telangiectasia. Secondary lesions: crust, excoriation,…

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

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

…e aged male with multiple small freckles, skin tags and nevi over 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…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Inverted Follicular Keratosis, Tricholemmoma, and Desmoplastic Tricholemmoma?

…90 percent on the face, the remainder on other parts of the body. 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…

Nodules on the right ear

Nodules on the right ear

…and he was employed as a rubber worker in the Amazon region. Physical examination revealed ill-defined, smooth, shiny, hard nodules on his right ear (Figure 1). The consistency of the skin lesions was hard, and pain was absent. Regional lymph nodes…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

-oid?

…tain inflammatory diseases marked by histiocytes aligned in a palisade, 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,…

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…