Intraoral sonography-assisted resection of T1-2 tongue cancer for adequate deep resection.
OBJECTIVE
To investigate the clinical usefulness of intraoral sonography-assisted resection for securing adequate deep resection margins in T1-2 tongue cancers.


METHODS
Prospective clinical trial.


METHODS
Twenty consecutive patients with clinical T1-2 tongue cancers were enrolled and their lesions were removed by intraoral sonography-assisted resection. We then retrospectively collected data from 20 T stage-matched patients without intraoral sonography-assisted resection as the control group. All resections were performed with a goal of 15 mm margin. The mucosal and deep safety margins were compared between the two groups.


RESULTS
Intraoral sonography could predict the paraffin-embedded tumor thickness with an error of 3.16 +/- 2.24 mm. The deep safety margins were more adequate for intraoral sonography-assisted resection (9.8 +/- 5.2 mm) than for conventional resection (4.0 +/- 2.03 mm) (P < 0.001), while the mucosal safety margins were not different.


CONCLUSIONS
Intraoral sonography-assisted resection provides a more adequate deep resection margin for early T-stage tongue cancers.
Baek
Chung-Hwan
CH
Department of Otorhinolaryngology-Head and Neck Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
Son
Young-Ik
YI
Jeong
Han-Sin
HS
Chung
Man Ki
MK
Park
Ki-Nam
KN
Ko
Young-Hyeh
YH
Kim
Hyung-Jin
HJ
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009361:Neoplasm Invasiveness; D009364:Neoplasm Recurrence, Local; D009367:Neoplasm Staging; D011446:Prospective Studies; D014062:Tongue Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology / Q000601:surgery*; D016896:Treatment Outcome; D018084:Ultrasonography, Interventional