Doctors diagnose mastocytosis through a skin or bone marrow biopsy, according to the American Society of Clinical Oncology. Other tests, such as blood, urine and molecular tests, provide information about whether or not ... More »

Mastocytosis is a disorder caused by an excess of mast cells in the body. There are two types of mastocytosis, according to the National Institute of Allergy and Infectious Diseases: systemic mastocytosis, caused by mast... More » Health Conditions & Diseases

Spots that look like freckles on a person's inner thighs or stomach is one typical symptom of systemic mastocytosis, according to the American Academy of Allergy, Asthma and Immunology. Other symptoms include low blood p... More » Health Pain & Symptoms

Doctors diagnose polio by analyzing stool, cerebrospinal fluid and throat secretions to check for the poliovirus, according to Mayo Clinic. Doctors also evaluate physical symptoms of the disease when making a diagnosis. More » Health Conditions & Diseases

The average recovery time following a colostomy procedure is 2 months, according to the American Society of Clinical Oncology. Patients usually require 1 week of hospitalization after the surgery. More » Health Conditions & Diseases

Stage 4 cancer is cancer that has spread to distant sites within the body, according to the American Society of Clinical Oncology (ASCO). Stage 4 cancer is sometimes called metastatic cancer or advanced cancer, and it ca... More » Health Conditions & Diseases

Bladder cancer causes back pain, bleeding and discomfort during urination, reports the American Society of Clinical Oncology. Blood in the urine, which may be either visible or detected microscopically, is the most commo... More » Health Conditions & Diseases