8. =Examination of Face.= When the anterior flap of the scalp is
carried down to the edge of the orbits and half-way across the lower
jaw as advised above for the removal of the temporal bone, the
_parotid_ region may be examined. The _upper_ and _lower maxillary
bones_ are best examined after the removal of the neck-organs. A
transverse incision is made in the skin of the neck low enough to
be concealed by the clothing, and connecting with the longitudinal
scalp-incisions. The facial flap is then dissected upward with
great care as far as the infraorbital edges, exposing the maxillary
bones, from which the soft parts must be so carefully removed that
restoration of the face can be made. For the examination of the
anterior nasal-cavities the upper lip must be separated from the
bones.
II. POINTS TO BE NOTED IN SECTION OF HEAD.
1. =Scalp.= Note wounds, hemorrhages, inflammations, scars,
parasites, neoplasms, number and location of bleeding-points on
section, color of different portions, adhesions to periosteum or
cranial bones, etc. Most common pathologic conditions are wounds,
hemorrhages, wens, lipoma, squamous-celled carcinoma, syphilis,
tuberculosis, favus, pediculi, tricophytia, angioma and round- and
spindle-celled sarcomata. The temporal muscles should be examined
for hemorrhages, œdema, purulent inflammations and trichinæ. The
postmortem hypostasis of the back of the head should not be regarded
as pathologic.
2. =Periosteum.= Subperiosteal hemorrhages, purulent infiltrations,
adhesions, indurations, chronic inflammation with new-formation of
bone, and neoplasms are the most common pathologic conditions.
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