In-depth

Symptoms

Headache

Most headaches aren't caused by a serious illness, but some could be a sign of a life-threatening condition.

Tests and diagnosis

Bone marrow biopsy

Aspiration and biopsy are procedures to collect and examine bone marrow. These tests can help diagnose some cancers and other conditions.

Complete blood count

A complete blood count can be used to evaluate your overall health, detect a wide range of disorders, or monitor a medical condition or treatment.

Sep. 25, 2012