What is atypical hemangioma?
An atypical hemangioma is a hemangioma that does not present with a classical imaging appearance and may resemble a more aggressive type of lesion [14]. Different dis- tributions of tissue content within these lesions results in this idiosyncrasy.
Is atypical hemangioma malignant?
These may require treatment in some instances. Hemangiomas, Benign: Hemangiomas are non-cancerous (benign) tumors made of abnormal blood vessels. They are common and can occur anywhere in the body.
Are atypical hemangiomas common?
Most haemangiomas present with typical and common characteristics in the general population, but those termed “atypical” occur less frequently. The spectrum of atypical haemangiomas is important and can help one avoid most diagnostic errors.
What is hemangioma on MRI?
MR imaging findings in hemangioma are frequently diagnostic. On T2-weighted images, hemangiomas generally appear as multiple high-signal-intensity lobules that resemble a bunch of grapes (,,,,,Fig 12c). This appearance is due to cavernous or cystic vascular spaces containing stagnant blood.
Can hemangioma turn cancerous?
Because hemangiomas very rarely become cancerous, most do not require any medical treatment. However, some hemangiomas can be disfiguring, and many people seek a doctor's care for cosmetic reasons. In most cases of hemangioma, treatment does not involve surgery.
Can a hemangioma cause back pain?
Most hemangiomas are symptom-free, but symptoms may include: Back pain. Pain that radiates along a nerve due to inflammation or irritation of the nerve root. Spinal cord compression.
Can a liver hemangioma be misdiagnosed?
The so-called atypical hemangioma may actually be a misdiagnosed hepatocellular carcinoma or cholangiocarcinoma. Therefore, the responsibility of these patients should be assumed by specialized teams including dedicated radiologists (21). Sixteen of the 24 patients in this series had undergone a CT or MRI examination.