Myelolipoma
Myelolipoma
Myelolipoma (pronounced: my-eh-lo-li-po-ma) is a rare, benign tumor composed of mature adipose (fat) tissue and normal hematopoietic (blood-forming) elements.
Etymology
The term "myelolipoma" is derived from the Greek words "myelos" (marrow), "lipos" (fat), and "oma" (tumor), indicating the tumor's composition.
Definition
A myelolipoma is a noncancerous tumor that develops in the adrenal gland. It is composed of two types of tissue: adipose tissue, which stores fat, and myeloid tissue, which produces blood cells. These tumors are usually small and do not cause symptoms, but they can grow large enough to cause pain or other problems.
Symptoms
Most myelolipomas are asymptomatic, meaning they do not cause symptoms. However, if the tumor grows large, it may cause abdominal pain or discomfort. In rare cases, a myelolipoma can rupture, leading to life-threatening internal bleeding.
Diagnosis
Myelolipomas are often discovered incidentally during imaging tests for other conditions. If a myelolipoma is suspected, a doctor may order a computed tomography (CT) scan or magnetic resonance imaging (MRI) to confirm the diagnosis.
Treatment
Treatment for myelolipoma depends on the size of the tumor and whether it is causing symptoms. Small, asymptomatic myelolipomas may not require treatment, but regular monitoring to check for growth. Large or symptomatic myelolipomas may need to be removed surgically.
Related Terms
- Adrenal gland: A small gland located above each kidney. It produces hormones that regulate metabolism, immune system, blood pressure, and other essential functions.
- Benign tumor: A noncancerous growth that does not invade nearby tissues or spread to other parts of the body.
- Adipose tissue: Body fat, or fat tissue, that stores energy and insulates the body.
- Myeloid tissue: Tissue in the bone marrow that produces blood cells.
External links
- Medical encyclopedia article on Myelolipoma
- Wikipedia's article - Myelolipoma
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