Related Experiment Video
Updated: May 30, 2026
04:19
Robotic Enucleation of Esophageal Leiomyoma
Published on: February 20, 2026
Renal leiomyoma
N Mashali1, A T Awad, G Trevisan
1Department of Histopathology, Faculty of Medicine, University of Alexandria, Egypt.
Pathologica
|August 16, 2011
Summary
Giant renal leiomyomas are rare benign kidney tumors. This case highlights that these tumors, though uncommon, can present as large renal masses and should be considered in differential diagnoses.
Area of Science:
- Urology
- Pathology
- Radiology
Background:
- Renal leiomyomas are uncommon benign neoplasms originating from smooth muscle tissue within or around the kidney.
- Typically, they are small, asymptomatic, and discovered incidentally during imaging for other conditions.
Observation:
- This report details a rare case of a giant renal leiomyoma in a 55-year-old female, significantly larger than typically described.
- The massive tumor encased the right kidney, presenting as a substantial renal mass.
Findings:
- The study reviews imaging and gross pathological features of previously reported renal leiomyomas.
- It emphasizes the diverse presentation of these tumors, ranging from small incidental findings to large, space-occupying masses.
Implications:
- Renal leiomyoma, despite its rarity, is a crucial consideration in the differential diagnosis of renal spindle cell lesions.
- Awareness of its potential for massive growth is important for accurate diagnosis and management of renal masses.
Related Concept Videos
01:19Appendicitis
Appendicitis is an acute inflammatory condition of the vermiform appendix, most commonly caused by obstruction of its lumen. The appendix is a narrow, blind-ended pouch that extends from the cecum, making it particularly prone to obstruction. Causes include fecaliths, lymphoid hyperplasia (often after viral infections), parasites, tumors, or foreign bodies. This obstruction initiates a cascade of pathological changes.Luminal Obstruction and Early InflammationAfter obstruction, normal mucosal...
01:22Mitral Stenosis I: Introduction
Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
01:27Mitral Valve Prolapse I: Introduction
IntroductionThe mitral valve, one of the heart's four valves, regulates blood flow. These valves have flaps that open and close to direct blood properly through the heart and body. During each heartbeat, the flaps open for blood to pass through and seal shut to prevent backflow. Specifically, the mitral valve opens to allow blood flow from the heart's upper left chamber to the lower left chamber. It then closes securely as the lower left chamber contracts to pump blood to the body, preventing...
01:29Cardiomyopathy IV: Restrictive Cardiomyopathy
Restrictive cardiomyopathy (RCM) is a rare heart muscle disease characterized by impaired ventricular filling due to stiffened ventricular walls, leading to significant diastolic dysfunction.EtiologyRestrictive cardiomyopathy can arise from both inherited and acquired diseases, many of which are systemic. It is categorized into four main types: infiltrative, storage, non-infiltrative, and endomyocardial diseases.Infiltrative diseases, such as amyloidosis, lead to RCM by depositing amyloid...