Manual of the Medical Department (NAVMED P-117): Chapter 15: Medical Examinations: Physical Standards
Department of the Navy
Bureau of Medicine and Surgery
(a) Cervical ribs if symptomatic, or so obvious that they are found on routine medical examination. (Detection based primarily on x-ray is not considered to meet criterion.)
(b) Congenital cysts of branchial cleft origin or those developing from the remnants of the thyroglossal duct, with or without fistulous tracts.
(c) Fistula, chronic draining, of any type.
(d) Nonspastic contraction of the muscles of the neck a cicatricial contracture of the neck to the extent that it interferes with the wearing of a uniform a military equipment a so disfiguring as to make the individual objectionable in common social relationships.
(e) Spastic contraction of the muscles of the neck, persistent and chronic.
(f) Tumor of thyroid or other structures of the neck.