The diseases of the skin of the infra-hyoid region present nothing peculiar. The presence of the beard in the upper part of the region renders the part liable to the diseases of the beard described in the affections of the face.
Neuroses of the region present nothing peculiar.
Softening and induration also have no special features.
Congestion of the infra-hyoid region presents no peculiarities.
Inflammations of the region are not so frequent as those of the lateral supra-hyoid and of the sternomastoid regions; they may occupy the skin (erysipelas, furuncles, carbuncles); the connective tissue, the few small lymphatic glands situated along the anterior aspect of the larynx and trachea, or the thyroid body (the latter affection will be treated separately). Inflammations beginning in the previsceral or retrovisceral space are not frequent and are usually due to injuries.
Cellulitis and abscess of the antero-lateral superficial region present nothing special. Antero-lateral deep
SOUCHON E. PECULIARITIES OF THE SURGICAL DISEASES AND INJURIES OF THE NECK.. JAMA. 1897;XXVIII(10):455–458. doi:10.1001/jama.1897.02440100023001f