Image Based Question-70116

Below given is a histopathological image of a blood vessel/lymph tumor.Regarding this pathology,which of the following options is an example of this pathology?

A. Port wine mark

B. Cystic Hygroma

C. Glomus Tumor

D. Pregnancy Tumor

Correct Answer » A Explanation

Ans:A.  Port wine mark

Image shows:Capillary haemangioma of the skin. There are capillaries lined by plump endothelial cells and containing blood. The intervening stroma consists of scant connective tissue.

CAPILLARY HAEMANGIOMA.

• Clinically, they appear as small or large, flat or slightly elevated, red to purple, soft and lobulated lesions, varying in size from a few millimeters to a few centimeters in diameter.

• They may be present at birth or appear in early childhood.

• Strawberry birthmarks and ‘port-wine mark’ are some good examples.

• The common sites are the skin, subcutaneous tissue and mucous membranes of oral cavity and lips. Less common sites are internal visceral organs like liver, spleen and kidneys.

• Histologically, capillary haemangiomas are well-defined but unencapsulated lobules.

• These lobules are composed of capillary-sized, thin-walled, blood-filled vessels.

• These vessels are lined by single layer of plump endothelial cells surrounded by a layer of pericytes.

• The vessels are separated by some connective tissue stroma.

• Many of the capillary haemangiomas regress spontaneously within a few years.