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Angiosarcoma: Aggressive Vascular Malignancy

Rare vascular sarcoma with diverse anatomic presentations and challenging treatment landscape

Written by: Saygı Hospital Health Guide Editorial Board
Last updated:

This content has been compiled by the Saygı Hospital Health Guide Editorial Board and is periodically reviewed by a specialist physician.

References (5)

This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our Onkoloji department. Book Appointment →

What is Angiosarcoma: Aggressive Vascular Malignancy?

Angiosarcomas account for less than 2 percent of all soft tissue sarcomas with diverse anatomic distribution.

Common sites include cutaneous (scalp, face), breast (post-radiation), liver, spleen and deep soft tissue.

Risk factors include prior radiation therapy (Stewart-Treves syndrome with chronic lymphedema), environmental exposure (vinyl chloride, thorium) and inherited syndromes.

Histologic appearance ranges from well-differentiated vascular channels to poorly differentiated spindle cell or epithelioid morphology.

Diagnosis requires expert pathology with vascular markers (CD31, CD34, factor VIII, ERG) and exclusion of metastatic disease.

Symptoms

Cutaneous angiosarcoma presenting as bruise-like patch progressing to nodules, ulceration and bleeding on scalp or face.
Breast angiosarcoma manifesting as bruise-like discoloration or palpable mass typically years after radiation.
Hepatic angiosarcoma with abdominal pain, hepatomegaly, weight loss and rarely hemoperitoneum from rupture.
Soft tissue angiosarcoma with rapidly growing painful mass and constitutional symptoms.
Cardiac angiosarcoma presenting with pericardial effusion, heart failure or embolic events.

Risk Factors

Prior therapeutic radiation, especially for breast cancer with characteristic latency of 5 to 10 years.
Chronic lymphedema following radical mastectomy or other lymphatic disruption (Stewart-Treves syndrome).
Environmental exposure to vinyl chloride monomer, thorotrast or arsenic.
Inherited syndromes including BRCA1/BRCA2, NF1, Maffucci syndrome with limited contribution.
Long-standing chronic lymphedema or vascular anomalies in some cases.

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

  • New bruise-like skin lesions in radiation field, on scalp of elderly or in lymphedematous extremity require prompt biopsy.
  • Rapidly growing painful soft tissue mass, particularly in elderly or post-radiation areas, warrants urgent oncologic evaluation.
  • Unexplained hepatomegaly with elevated liver enzymes after relevant exposure history needs imaging and biopsy consideration.
  • Cardiac symptoms with imaging findings of cardiac mass demand urgent multidisciplinary workup.
  • Long-term surveillance after treatment monitors for local recurrence and distant metastasis given high recurrence risk.

Treatment Methods

01
Wide local excision with negative margins is the cornerstone for resectable disease though margin positivity is common given infiltrative growth.
02
Adjuvant radiation therapy is frequently used for high-risk features including positive margins, large tumor or unfavorable location.
03
Systemic chemotherapy with anthracyclines (doxorubicin), taxanes (paclitaxel) and ifosfamide for unresectable, metastatic or recurrent disease.
04
Targeted therapy and immunotherapy options including pazopanib, propranolol and emerging immune checkpoint inhibitors in clinical trials.
05
Multidisciplinary care at sarcoma specialty centers, comprehensive supportive care, palliative interventions for bleeding or pain and clinical trial enrollment provide optimal management given limited standard therapy effectiveness.

Which Department to Visit?

You can visit our Onkoloji department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

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