Related Experiment Video
Updated: Sep 10, 2025

06:15
Author Spotlight: Anterior HR-OCT as a Non-Invasive Tool for Characterizing Ocular Surface Squamous Neoplasia
Published on: August 9, 2024
1.4K
Lung epithelioid hemangioendothelioma
Wala Ben Kridis1, Mahmoud Hakim1, Dhouha Sakka1
1Department of Medical Oncology, Habib Bourguiba Hospital, University of Sfax, 3029 Sfax, Tunisia.
Indian Journal of Thoracic and Cardiovascular Surgery
|August 27, 2025
Summary
Lung epithelioid hemangioendothelioma (LEHE) is a rare vascular tumor. Histopathology, including ERG and CD31 staining, is crucial for accurate LEHE diagnosis and avoiding misdiagnosis.
Area of Science:
- Oncology
- Pathology
- Vascular Biology
Background:
- Lung epithelioid hemangioendothelioma (LEHE) is an uncommon vascular neoplasm.
- LEHE exhibits low to intermediate malignant potential.
- Accurate diagnosis is essential due to its rarity and potential for misinterpretation.
Purpose of the Study:
- To report a case of LEHE in a non-smoker.
- To emphasize the diagnostic role of histopathology and specific biomarkers.
- To highlight the importance of avoiding misdiagnosis in LEHE.
Main Methods:
- Histopathological examination of lung tissue.
- Immunohistochemical staining for specific markers.
- Clinical case presentation and analysis.
Main Results:
- Diagnosis of LEHE confirmed via histopathology.
- Positive staining for erythroblast transformation-specific-related gene (ERG).
- Positive staining for cluster of differentiation 31 (CD31).
Conclusions:
- Histopathological diagnosis is definitive for LEHE.
- ERG and CD31 are valuable markers in LEHE diagnosis.
- Timely and accurate diagnosis prevents misclassification and guides appropriate management.
Related Concept Videos
Regulation of Angiogenesis and Blood Supply
2.7K
Rapidly dividing tumors, embryos, and wounded tissues require more oxygen than usual, lowering the oxygen concentration in the blood. At low oxygen or hypoxic conditions, an oxygen-sensitive transcription factor called the hypoxia-inducible factor 1 or HIF1 is activated. HIF1 is a dimeric protein of alpha (ɑ) and beta (β) subunits. Under optimal oxygen conditions, HIF1β is present in the nucleus while HIF1ɑ remains in the cytosol. HIF1ɑ is hydroxylated by prolyl...
2.7K
Overview of the Vascular System
2.9K
The vascular system comprises an extensive network of arteries, capillaries, and veins. The vascular system can be broadly divided into the blood and lymphatic systems. Typically, blood vessels can be categorized into three histological regions: tunica intima, tunica media, and tunica adventitia. The tunica intima consists of a single layer of endothelial cells attached to the basal lamina. Underlying the basal lamina is a connective tissue layer and an elastic lamina that gives stability and...
2.9K

