What is Littoral Cell Angioma?

What is Littoral Cell Angioma?

Littoral cell angioma (LCA) is a recently described primary vascular neoplasm of the spleen that may be associated with other malignancies and may itself also have malignant potential.

Can spleen hemangioma cause pain?

Hemangiomas are the most common benign primary neoplasm of spleen, yet they remain as a rare disorder. Less than 100 cases have been reported so far. The average age of presentation is 63 years. Most of the patients are asymptomatic, rest of the patients presenting with pain and a lump in the abdomen.

Do splenic hemangiomas grow?

They are benign lesions and carry no malignant potential. Their natural course is very slow growth over time 8.

What is splenic hamartoma?

Splenic hamartoma is a rare benign malformation, composed of an anomalous mixture of normal splenic elements, often found incidentally while working up other complaints or at autopsy. A splenic mass was incidentally found while evaluating the effects of a traffic accident in a 63-year-old woman.

What causes Littoral Cell Angioma?

Littoral cell angioma is a tumor of vascular proliferation unique to the spleen. It originates from the cells lining the venous sinuses of the normal spleen, which, under yet unexplained stimuli, proliferate to form the characteristic lesions seen grossly.

What is a benign hemangioma of the spleen?

Answer: a. Splenic hemangiomas are rare lesions, but they are the most common benign primary tumor of the spleen. In addition to hematopoietic disorders, the spleen can be involved by other processes including nonhematopoietic lesions such as hamartomas, pseudotumors, metastatic tumors, cysts, and vascular tumors.

How common are splenic hemangiomas?

Splenic hemangioma is a rare disorder but remains the most common benign neoplasm of the spleen. It often has a latent clinical picture; however, spontaneous rupture has been reported to occur in as many as 25% of this patient population.