Operative surgery . e malig-nant forms of the the dissection of theaxilla proceeds the branch-es of the large vessels arecut and tied, and also any thoracic or scapular nerves which interfere with athorough cleansing of the part are cut. The contents of the axilla are nowreflected outward, together with the mamma and pectoral muscles ; a fewlong sweeps of the knife loosen the outer attachments of the mamma, andthe whole infected area is separated from the body in one continuous mass. If there is any reason to suspect an infection of the supraclavicularglands, the vertical incision s
Operative surgery . e malig-nant forms of the the dissection of theaxilla proceeds the branch-es of the large vessels arecut and tied, and also any thoracic or scapular nerves which interfere with athorough cleansing of the part are cut. The contents of the axilla are nowreflected outward, together with the mamma and pectoral muscles ; a fewlong sweeps of the knife loosen the outer attachments of the mamma, andthe whole infected area is separated from the body in one continuous mass. If there is any reason to suspect an infection of the supraclavicularglands, the vertical incision should be extended above the clavicle; the pos-terior cervical triangle can thus be exposed and its contents dissected. Divi-sion of the clavicle does not add materially to the exposure of the region. The secondary incisions at the side of the chest (b) are for the purposeof forming flaps with which to close the wound when approximation of theborders will not suffice and when skin grafting is not regarded with Fig. 1233.—Excision of the breast. Warrens lines ofincision, a. Incision to clavicle, b. Incisions forsecondary flaps. 1008 OPERATIVE SURGERY.
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