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Gastric signet ring cell carcinoma (GSRC) is a rare but increasingly prevalent tumor histotype whose clinical features and natural history are poorly understood, particularly in the USA and minorities. To examine the occurrence, clinico-demographic characteristics, oncologic features, treatment, and outcomes of GSRC in a predominantly minority county hospital setting and benchmark them against data from the National Cancer Institute’s Surveillance, Epidemiology, and End Results (SEER) program. We queried biopsy-proven GSRC cases at a Los Angeles County hospital, from 2004 to 2017. Clinical characteristics, treatment, and survival data were collected and compared to SEER data. We identified 63 patients with GSRC. Compared to SEER, our cohort was significantly younger (52.6 vs. 63.5 years, p

A 48-year-old man presented with recurrent spontaneous hemothoraces, which ultimately were found to be secondary to a pedunculated costal osteochondroma causing vascular injury. After initially undergoing endovascular coil embolization, he ultimately required segmental rib resection containing the offending lesion for definite treatment. Although a few cases of symptomatic costal osteochondromas have been reported in the literature, as far as we know, no previous reports have provided direct radiologic confirmation of active bleeding or the role of angiographic intervention. In this report, we highlight the importance of CT angiography in establishing a direct link between an osteochondroma and recurrent hemothorax. We also discuss the diagnostic imaging challenges associated with this condition and the use of a multidisciplinary treatment strategy involving both angiographic and operative management.