Dermoid cysts of the thorax are rare. Bramann reported a case in
which a dermoid cyst of small size was situated over the sternum
at the junction of the manubrium with the gladiolus, and a
similar cyst in the neck near the left cornu of the hyoid bone.
Chitten removed a dermoid from the sternum of a female of
thirty-nine, the cyst containing 11 ounces of atheromatous
material. In the Museum of St. Bartholomew's Hospital in London
there is a congenital tumor which was removed from the anterior
mediastinum of a woman of twenty one, and contained portions of
skin, fat, sebaceous material, and two pieces of bone similar to
the superior maxilla, and in which several teeth were found.
Dermoids are found in the palate and pharynx, and open dermoids
of the conjunctiva are classified by Sutton with the moles.
According to Senn, Barker collected sixteen dermoid tumors of the
tongue. Bryk successfully removed a tumor of this nature the size
of a fist. Wellington Gray removed an enormous lingual dermoid
from the mouth of a negro. It contained 40 ounces of atheromatous
material. Dermoids of the rectum are reported. Duyse reports the
history of a case of labor during which a rectal dermoid was
expelled.
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