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Cardiomyopathy II: Dilated Cardiomyopathy

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Updated: Jun 20, 2026

Minimal Invasive Resection of Large Retrosternal Thyroid Goiter

Minimal Invasive Resection of Large Retrosternal Thyroid Goiter

Published on: September 20, 2024

Giant mediastinal thymolipoma simulating cardiomegaly.

Prasanna Simha Mohan Rao¹, Nagaraja Moorthy, Ravindranath Khandenahalli Shankarappa

¹Department of Cardio-thoracic & Vascular Surgery, Sri Jayadeva Institute of Cardiology, Bangalore, India.

Journal of Cardiology

|September 29, 2009

Summary

Thymolipomas, rare anterior mediastinal tumors, can mimic heart enlargement on chest X-rays. This case highlights their importance in diagnosing unexplained shortness of breath and enlarged cardiac silhouette.

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Cardiac Magnetic Resonance for the Evaluation of Suspected Cardiac Thrombus: Conventional and Emerging Techniques

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Published on: June 11, 2019

Area of Science:

Oncology
Thoracic Surgery
Diagnostic Imaging

Background:

Thymolipomas are rare anterior mediastinal tumors originating from thymic epithelial cells and adipose tissue.
These tumors can present insidiously, often discovered incidentally or when causing mass effect.
Differential diagnosis for anterior mediastinal masses includes thymoma, lymphoma, germ cell tumors, and thymolipoma.

Observation:

A middle-aged male presented with progressive dyspnea over two months.
Chest radiography revealed an enlarged cardiac silhouette, suggesting cardiomegaly.
Computed tomography (CT) demonstrated a large anterior mediastinal mass encasing the heart.

Findings:

Needle biopsy initially suggested lymphomatous material but was ultimately diagnosed as thymolipoma.
Surgical resection via median sternotomy achieved complete tumor removal (en bloc).
Histopathological examination confirmed the diagnosis of thymolipoma.

Implications:

This case underscores the necessity of including mediastinal tumors in the differential diagnosis for patients with dyspnea and apparent cardiomegaly.
Advanced imaging like CT is crucial for characterizing mediastinal masses and guiding diagnosis.
Early recognition and surgical management of thymolipoma can lead to favorable outcomes.