Hemangioendothelioma: Symptoms, Causes, Diagnosis & Treatment

Written by Medicover Team and Medically Reviewed by Dr Shruti Surushe , Oncologists

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1. Causes 2. Find a Doctor 3. Diagnosis 4. Treatment 5. FAQs

Hemangioendothelioma is a rare vascular tumor that arises from the cells lining blood vessels and has behavior ranging from low-grade to malignant, depending on the subtype. It can develop in the liver, lungs, bones, soft tissues, or other organs and may cause pain, swelling, fatigue, or organ-specific symptoms. Early diagnosis and appropriate treatment help control tumor growth, reduce complications, and improve long-term outcomes.

What Are the Types of Hemangioendothelioma?

Hemangioendothelioma is classified into several subtypes based on its microscopic appearance and biological behavior.

Epithelioid Hemangioendothelioma (EHE): The most common subtype, affecting the liver, lungs, bones, and soft tissues.
Kaposiform Hemangioendothelioma: A rare, locally aggressive tumor that primarily affects infants and young children.
Retiform Hemangioendothelioma: A slow-growing vascular tumor with a low risk of metastasis.
Papillary Intralymphatic Angioendothelioma (Dabska Tumor): A rare vascular tumor affecting the skin and soft tissues.
Pseudomyogenic Hemangioendothelioma: A rare tumor involving soft tissues, muscles, and bones.

What Are the Symptoms of Hemangioendothelioma?

Hemangioendothelioma may present with symptoms. It is essential to consult a healthcare provider if you notice any unusual changes in your body to receive a proper diagnosis and appropriate treatment.

Hemangioendothelioma may present with pain or swelling in the affected area, often seen in soft tissues or organs.
Some individuals with hemangioendothelioma may experience fatigue, weakness, or unexplained weight loss as the tumor progresses.
Skin discolouration, such as red or purple discoloration, may occur over the lesion associated with hemangioendothelioma.
Hemangioendothelioma can lead to symptoms like shortness of breath or chest pain if it affects organs like the lungs.
In some cases, hemangioendothelioma can cause gastrointestinal symptoms like abdominal pain, nausea, vomiting, or digestive issues.

What Are the Causes of Hemangioendothelioma?

While the exact cause remains unclear. Understanding the underlying mechanisms contributing to hemangioendothelioma development is crucial for effective diagnosis and treatment strategies tailored to each patient's unique condition.

Genetic mutations can lead to the development of Hemangioendothelioma, impacting the normal growth and behavior of blood vessel cells.
Exposure to environmental toxins or radiation may contribute to the formation of Hemangioendothelioma in certain individuals.
Inflammatory conditions or chronic infections can potentially trigger the growth of abnormal blood vessels characteristic of Hemangioendothelioma.
Hormonal imbalances may play a role in the pathogenesis of Hemangioendothelioma, influencing the proliferation of endothelial cells.
Underlying medical conditions such as liver disease or autoimmune disorders could be associated with the development of Hemangioendothelioma.

When to See a Doctor for Hemangioendothelioma?

Consult an oncologist or surgical oncologist if you notice an unexplained lump, persistent pain, unexplained weight loss, or symptoms related to the liver, lungs, or bones. Early evaluation can improve treatment outcomes.

You should see a doctor if you have:

A persistent lump or swelling
Unexplained pain that does not improve
Persistent cough or shortness of breath
Unexplained weight loss or fatigue

Get medical help immediately if:

Difficulty breathing
Severe abdominal pain
Sudden neurological symptoms such as weakness or confusion
Heavy or uncontrolled bleeding

These could indicate serious complications requiring urgent medical care.

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How is Hemangioendothelioma Diagnosed?

The results of the diagnostic tests help clinicians confirm the presence of hemangioendothelioma and develop an appropriate treatment plan for the patient.

Imaging tests like MRI and CT scans are used to visualize the tumor.
A biopsy is essential for confirming the diagnosis by examining tissue samples.
Blood tests may be conducted to assess overall health and detect any abnormalities.
Genetic testing can help identify specific genetic mutations associated with hemangioendothelioma.

What are the Treatment Options for Hemangioendothelioma?

Hemangioendothelioma, a rare vascular tumor, presents treatment challenges due to its variable biological behavior. Management typically involves a multidisciplinary approach tailored to each case. Treatment options may include surgical resection, embolization, radiation therapy, or systemic therapies such as chemotherapy or targeted agents.

Depending on the tumor's location, size, and aggressiveness, healthcare providers may opt for a combination of these modalities to achieve the best possible outcome for the patient. Regular monitoring and follow-up are crucial to assess treatment response and address any potential recurrence or complications.

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What are the Risk Factors for Hemangioendothelioma?

While the exact cause of hemangioendothelioma is not well understood, certain risk factors may increase the likelihood of developing this condition. These risk factors include medical conditions such as lymphangioleiomyomatosis (LAM) or tuberous sclerosis complex. Understanding these risk factors can help healthcare providers in diagnosing and managing this rare tumor effectively.

Genetic Predisposition: Individuals with certain genetic mutations may have a higher risk of developing hemangioendothelioma.
Prior Radiation Exposure: Previous radiation therapy for other conditions can increase the likelihood of developing hemangioendothelioma.
Occupational Exposure: Certain occupations involving exposure to toxins or chemicals may elevate the risk of hemangioendothelioma.
Gender: Hemangioendothelioma appears to occur more frequently in females compared to males.
Age: The risk of hemangioendothelioma tends to increase with age, with most cases diagnosed in adults.