Metanephric adenoma
Metanephric Adenoma
Metanephric adenoma (pronunciation: met-uh-NEF-rik ad-uh-NO-muh) is a rare, benign tumor that originates from the metanephros, the embryonic precursor to the permanent kidney.
Etymology
The term "metanephric" is derived from the Greek words "meta" meaning "after" and "nephros" meaning "kidney". "Adenoma" is derived from the Greek words "aden" meaning "gland" and "-oma" meaning "tumor".
Definition
Metanephric adenoma is a benign neoplasm that is composed of small, uniform cells forming tightly packed acini, tubules, or papillary structures. It is often discovered incidentally during imaging studies for unrelated conditions.
Clinical Presentation
Patients with metanephric adenoma may present with hematuria, flank pain, or a palpable mass. However, many patients are asymptomatic and the tumor is discovered incidentally.
Diagnosis
Diagnosis of metanephric adenoma is typically made through imaging studies such as ultrasound, computed tomography (CT) scan, or magnetic resonance imaging (MRI). Definitive diagnosis is made through histopathological examination of the tumor.
Treatment
Treatment for metanephric adenoma typically involves surgical removal of the tumor. In some cases, partial or total nephrectomy may be required.
Prognosis
The prognosis for patients with metanephric adenoma is generally excellent, as the tumor is benign and does not typically recur after surgical removal.
Related Terms
External links
- Medical encyclopedia article on Metanephric adenoma
- Wikipedia's article - Metanephric adenoma
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