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Biomedical subjects

R H Patterson

Publications and source records attributed to R H Patterson.

95 records · Page 6Linked to original sources
PubMedDate not supplied

Intraosseous ganglion cyst of the talus: case report.

A case of an intraosseous ganglion cyst of the talus is described. Ganglion cysts within bone are not rare but are usually found within long bones located in metaphyseal areas. This lesion of the talus produced significant pain and was successfully treated with curettage and iliac crest bone graft.

Adult↗
PubMedDate not supplied

Giant lamellar bodies in a pulmonary MALT lymphoma: a case report with ultrastructural and immunohistochemical studies.

A 35-year-old, African-American man presented with a 7-year history of a persistent, enlarging pulmonary infiltrate in the right middle lobe associated with three episodes of right-sided pneumonia, recent 12-lb weight loss, and progressive shortness of breath. The nature of the right middle lobe infiltrate was unclear, but recurrent aspiration pneumonia and carcinoma of lung were important considerations. Exploratory thoracotomy with partial lobectomies revealed a low-grade B-cell lymphoma of mucosa-associated lymphoid tissue (MALT). Clusters of giant lamellar bodies were a unique finding in this lymphoma. Results of ultrastructural and immunohistochemical studies gave support to the views that these inclusions were derived from both products of cellular degeneration and surfactant. The pulmonary lymphoma subsequently spread to the gastric mucosa. The patient is alive with lymphoma 5 years after the initial diagnosis was made.

Adult↗
PubMedDate not supplied

Papillary eccrine adenoma: an ultrastructural and immunohistochemical study.

A 45-year-old African American man presented with a small, solitary, nonulcerated cutaneous lesion of the right thigh of many years duration, which was excised. Light microscopically, the lesion consisted of an oval, well-circumscribed, intradermal proliferation of tubules, which were often dilated and lined by a double layer of tumor cells with conspicuous intraluminal papillations. Ultrastructurally, there was evidence of both intradermal eccrine duct and eccrine secretory coil differentiation. Although the majority of tumor cells resembled cells of the intradermal eccrine duct, occasional myoepithelial tumor cells and rare tumor cells having secretory granules and resembling dark mucous cells were indicative of eccrine secretory coil differentiation. The positive immunohistochemical staining for S-100 protein, CEA, EMA, and vimentin supported these ultrastructural findings.

Adenoma↗