A meningocele, as it contains no nerve elements, may be translucent.
"Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition."
Alexander Miles Alexis Thomson
It is, however, often difficult to distinguish between a meningocele and meningo-myelocele.
"Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition."
Alexander Miles Alexis Thomson