In-depth

Risk factors

Anemia

Anemia occurs in many forms, but all involve a shortage of healthy red blood cells. Treatment depends on what's causing your anemia.

Symptoms

Enlarged spleen

An enlarged spleen is usually a sign of an underlying problem. Treatment varies, depending on what's causing the enlargement.

Fatigue

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

Nausea and vomiting

Sick to your stomach? Nausea and vomiting usually pass quickly but sometimes result from long-term or serious conditions.

Unexplained weight loss

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

Tests and diagnosis

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 (PET) scan

A positron emission tomography (PET) scan is an imaging test that can detect changes within certain tissues or organs early, often before disease progresses.

Urinalysis

Urinalysis can be used to assess your overall health, detect a wide range of disorders, or monitor a medical condition or treatment.

X-ray

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

Treatments and drugs

Chemotherapy

Find out what to expect as you prepare for chemotherapy treatment.

Radiation therapy

Radiation therapy is a common means of treating many types of cancer. Find out what to expect during your radiation therapy treatment.

Sep. 03, 2011