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October 1984

Needle Puncture Scars From Midtrimester Amniocentesis

Author Affiliations

From the Departments of Dermatology (Dr S. S. Raimer) and Pediatrics (Dr B. G. Raimer), University of Texas Medical Branch, Galveston.

Arch Dermatol. 1984;120(10):1360-1362. doi:10.1001/archderm.1984.01650460100029

• A neonate was noted to have two depressed scars on the upper part of the back at birth that we believe resulted from midtrimester amniocentesis; no underlying injury was apparent. Scar formation from needle puncture occurs in an estimated 1% to 3% of the infants whose mothers have undergone midtrimester diagnostic amniocentesis. The scars most commonly are depressed, dimplelike, and measure 1 to 2 mm in diameter, although linear scarring may also occur. Single or multiple scars may be present, and, in seven of the 36 infants previously described in the literature, internal injuries also occurred as a result of the needle puncture.

(Arch Dermatol 1984;120:1360-1362)

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