Pinprick

Needle stitch denotes:

generally any stitch made with a needle
in artisanal sewing, the stitch to connect fabrics with a seam
in medical sewing, the stitch to unite the tissue through a seam, see sewing (medicine)
in occupational medicine also a stab injury with sharp objects that was contaminated with blood or other body fluids, see needlestick injury
when painting surfaces, small holes or accumulations of holes in the paint, see pinprick (paint)
Colloquially hidden wickedness or meanness, see also the politics of small pinpricks