Adenomatoid tumor

Adenomatoid tumor
Adenomatoid tumor under very high magnification
Synonyms
Pronounce	N/A
Specialty	N/A
Symptoms	Often asymptomatic, may present as a painless mass
Complications	Rare
Onset
Duration
Types
Causes	Unknown
Risks
Diagnosis	Histopathology
Differential diagnosis	Mesothelioma, Leiomyoma, Lymphangioma
Prevention
Treatment	Surgical excision
Medication
Prognosis	Excellent
Frequency	Rare
Deaths	N/A

A benign tumor of mesothelial origin

Adenomatoid tumor is a rare, benign neoplasm that originates from mesothelial cells. It is most commonly found in the genital tract of both males and females, but can also occur in other locations such as the pleura and peritoneum.

Presentation

Adenomatoid tumors are typically small, well-circumscribed lesions that are often discovered incidentally during imaging or surgical procedures. In males, they are most frequently located in the epididymis, while in females, they are commonly found in the fallopian tubes or the uterus.

Symptoms

Most adenomatoid tumors are asymptomatic and do not cause any discomfort. However, when symptoms do occur, they may include localized pain or swelling in the affected area. In rare cases, they may cause obstruction or other complications depending on their size and location.

Pathology

Adenomatoid tumors are characterized by their distinctive histological appearance. They are composed of small, gland-like spaces lined by flattened or cuboidal mesothelial cells. The stroma is usually fibrous and may contain smooth muscle fibers. These tumors are non-invasive and do not metastasize.

Diagnosis

The diagnosis of an adenomatoid tumor is typically made through a combination of imaging studies and histological examination. Ultrasound and magnetic resonance imaging (MRI) can help identify the location and size of the tumor, while a biopsy can confirm the diagnosis by revealing the characteristic histological features.

Treatment

Since adenomatoid tumors are benign, treatment is often not necessary unless the tumor is causing symptoms or complications. In such cases, surgical excision is the treatment of choice. The prognosis after removal is excellent, with no risk of recurrence or malignant transformation.

Related pages

• Mesothelium
• Benign tumor
• Epididymis
• Fallopian tube
• Uterus