In-depth

Symptoms

Fatigue

Fatigue can signal many things. Here are some tips to help you decipher why you're wiped out and to regain your energy.

Unexplained weight loss

Unexplained weight loss: Symptom — Overview covers possible causes of unexplained weight loss.

Tests and diagnosis

Biopsy procedures

Learn about the most common biopsy procedures and how they're used to diagnose cancer.

Bone marrow biopsy

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

CT scan

A CT scan is an imaging test that uses X-rays to produce detailed images of the inside of your body.

MRI

MRI uses a magnetic field and radio waves to create detailed images of the organs and tissues within your body.

Positron emission tomography scan

X-ray

X-rays are a form of radiation that can make images of your bones and internal organs.

Treatments and drugs

Radiation therapy

Jul. 09, 2011

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