Document LgVgJp1mv5EVJo67w8O11daOd

CONTENTS xix in. Type of Trauma....................................................... .............. iv. Site .................................................... . . ;...................................... v. Latency Period........................................................... VI. Age ...................................... vii. Symptomatology ........................ ................ viii. Histology .................. IX. Causative Mechanism.................... x. Malignant Potentiality.................................................................. Malignant Neoflasms--Traumatic Carcinomas of the Skin .... b.. General Traumatic Carcinomas........................... ........................... . c. Special Traumatic Carcinomas .................................. I. Callosities .................................... .................................................. II. Frost-Bites........................................... in. Thermic Burns............................................................. Causation; Incidence; Site; Sex; Race; Age; Latency Period; Causative Mechanism; Symptomatology; Histology; Prognosis; Treatment; Experimental Burn Scar Cancer; Radiating Heat iv. Scars ......................................................................... v. Varicose Ulcers.................................. vi. Osteomyelitic Fistulas.................................... vii. Melanomas ............................. viii. Medico-Legal Aspects of Traumatic Epitheliomas................ 282 282 283 283 283 284 284 285 286 287 289 289 290 291 299 301 302 34 307 CHAPTER 111 OCCUPATIONAL TUMORS OF THE ALIMENTARY SYSTEM 312 1. Anatomical and Etiological Considerations.................................................. 312 2. Statistical Investigations in Different Occupational Groups......................... , 312 3. Tumors in the Various Organs of the Alimentary System......... .. 314 a. Lips .................................................................. 3*4 I. Chemical Agents......... ...................... 3r5 II. Habitual Aspects . . ......................................................................... 3*7 hi. Physical Agents ....;................................................................ 3*8 b. Oral Cavity and Pharynx...................................................... 3I9 I. Occupational Aspects........... 3*9 II. Habitual Aspects......................................... ................................. : 320 hi. Trauma .............................................................. 323 iv. Experimental Cancer of ,the Oral Cavity . . . . ....................... 324 c. Esophagus ...................................................... 325 d. Stomach .................................................... 32^ I. Occupational Aspects.................................................. 32^ II. Intrinsic Factors .................. .................................................... 327^ hi. Extrinsic Factors........... .................... 32^