The operating room and the patient; a manual of pre- and post-operative treatment . sts inevacuating the pus and getting the wound clean by frequentdressing and disinfection. When this has been accomplishedthe old scar tissue should be dissected out and secondary suturingdone. Operations for Moles.—Incomplete operations, such as cau-terization and excisions not wide of the growth, are apt to befollowed by melano-sarcoma either in the neighborhood of theoriginal growth or at a distance. Syndactylism.—Didots Operation. Scars along the dorsumdo not interfere with the future usefulness of the hand
The operating room and the patient; a manual of pre- and post-operative treatment . sts inevacuating the pus and getting the wound clean by frequentdressing and disinfection. When this has been accomplishedthe old scar tissue should be dissected out and secondary suturingdone. Operations for Moles.—Incomplete operations, such as cau-terization and excisions not wide of the growth, are apt to befollowed by melano-sarcoma either in the neighborhood of theoriginal growth or at a distance. Syndactylism.—Didots Operation. Scars along the dorsumdo not interfere with the future usefulness of the hand but scars OPERATIONS UPON SPECIAL TISSUES 313 along the palmar surface are apt to result in palmar contractionand interference with extension. To prevent this a dorsal splintshould be worn to keep the finger in which the dorsal flap hasbeen used extended. To be effective such a splint must extendbeyond the end of the finger and above the wrist (Fig. 166).This splint should be worn for two months being removed for afew minutes daily to permit of passive motion. At the end of. Fig. 166.—Dorsal splint for after-treatment of syndactylism. two months it may be left off during the day but is replaced atnight for a long period, generally six months to a year. Thispalmar contraction is lessened by securing linear union at theoriginal operation. If this is not possible without undue tensionskin-grafting should be done. Operations on the Nails.—^Following complete or partialexcision of the nail for paronychia a copious evaporating mildlyantiseptic dressing (alcohol-bichlorid) is applied. This is keptmoist, frequently changed and made smaller as the inflammationsubsides. Following subsidence of the inflammation boric acid 314 OPERATING ROOM AND THE PATIENT ointment is applied until the new epithelium at the base of thenail ceases to be tender. A new nail is formed in four to sixmonths. Following excision of ingrown toe nail the same procedure isfollowed if there is much outlying
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