Pancreatic islet cell tumors

Pancreatic islet cell tumors (non-functioning tumor) ... back pain
Pancreatitis ... Back pain
Papillary renal cell carcinoma ... lower back pain
Polycystic kidney disease ... Pain in the back, Pain in the lower sides ...

Although islet cells produce many different hormones, most tumors release only one hormone that leads to specific symptoms. Pancreatic islet cell tumors can be noncancerous (benign) or cancerous (malignant).
Islet cell tumors include: ...

Hypoglycemia may result from production of insulin-like growth factors or insulin production by pancreatic islet cell tumors or hemangiopericytomas.

See also: Symptom, Pancreatic islet cell tumor, Arthritis, Cancer, Leukemia