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Biomedical subjects

Randy L Hamill

Publications and source records attributed to Randy L Hamill.

3 recordsLinked to original sources

Rectal adenocarcinoma with germ-cell differentiation: report of a case.

A 26-year-old male presented with a colorectal adenocarcinoma with germ-cell differentiation and an isolated elevation of serum alpha-fetoprotein. He was treated with platinum/etoposide/bleomycin chemotherapy with a decrease in serum alpha-fetoprotein and in the size of the primary tumor. An ongoing tumor-marker response occurred when the patient was switched to concurrent 5-fluorouracil chemotherapy and radiation therapy. The patient underwent a palliative diversion of his rectal cancer 10 months after diagnosis, developed liver metastasis at 12 months, and died 20 months after diagnosis.

Adenocarcinoma↗

Metastatic aggressive digital papillary adenocarcinoma.

A 52-year-old white man presented with 2 complex cystic masses in his left inguinal region. On histopathologic examination, an asymptomatic nodule between the third and fourth metatarsal heads was diagnosed as an aggressive digital papillary adenocarcinoma (ADPAca), and the complex cysts from the groin represented metastatic disease from the primary acral tumor. The primary tumor was focally positive for immunoreactivity to ferritin antibody, an immunohistologic marker for sweat gland malignancies. Ferritin antibody may prove useful in the diagnosis of aggressive digital papillary adenoma (ADPA) and ADPAca.

Adenocarcinoma, Papillary↗