An Approach for Diagnosing and Treating Neurosyphilis: A Case Report.

Neurosyphilis is a disease caused by systemic infection with , which infiltrates the central nervous system and preganglionic dorsal roots. This process presents as neurological deficits and can occur any time during the infection course, but usually takes many years. Neurosyphilis is rare in the developed world where antibiotics are readily available to treat the early stages of syphilis.

Sudden onset polyarthritis as a paraneoplastic syndrome from non-small cell lung cancer.

A 48-year-old male presented to the emergency room for 2 weeks of joint pain and swelling of his four extremities. His symptoms started suddenly and were quite debilitating. His hands, fingers, knees, and ankles were so swollen and painful that he was unable to get out of bed and had to use crutches to ambulate.

Primary Gastrointestinal Stromal Tumor Presenting as an Isolated Lung Mass.

Gastrointestinal stromal tumors (GISTs) are rare gastrointestinal (GI) tumors, representing a small portion of soft tissue tumors of the abdominal cavity. Extraintestinal gastrointestinal stromal tumors (EGISTs) are uncommon forms of GISTs that present outside the GI tract. There have only been a rare number of reported cases of EGIST presenting above the diaphragm.