Skin nonmelanocytic tumor

• Usually infants or children age 5 years or less
• Neck, axilla, breast, chest, buttock, thigh
• Either superficial (lymphangioma circumscriptum, associated with surgery or radiotherapy for breast carcinoma), cystic (cystic hygroma) or deep (lymphangioma cavernosum)

• Grouped translucent papules with thin vascular lumina that impinge on epidermis
• Often deep remnants in subcutaneous tissue

Contributed by V. Pavithra, M.D.

Which of the following statements is true regarding lymphatic malformations?

A. They typically arise in senior adults
B. They are unaffected by hormonal changes
C. They may recur after excision
D. They are distinctive and unlikely to be confused with other entities

C. They may recur after excision. Lymphatic malformations are congenital and usually detected at birth or in the first few years of life. They may be affected by pubertal or pregnancy related hormones. There is a broad differential diagnosis including (acquired) lymphangiectasia, metastatic carcinoma, verrucae, molluscum, hemangioma, angiokeratoma and lymphangioendothelioma.

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Reference: Skin nonmelanocytic tumor > Lymphangioma / lymphatic malformation