[Evaluation of occult lymph node metastasis in lower lip cancers and approach to N(0) neck metastasis].
OBJECTIVE
In this study, we evaluated the incidence of occult lymph node metastasis and the approach to N0 necks in carcinoma of the lower lip.


METHODS
Sixty-eight patients who underwent surgery for squamous cell carcinoma of the lower lip were monitored for a minimum period of three years. All the patients were males (mean age 54 years; range 36 to 69 years). Preoperatively, 15 and 53 patients had N+ and N0 necks, respectively. Depending on the tumor localization, unilateral or bilateral suprahyoid neck dissections were performed. Nine patients underwent radical neck dissection following detection of metastasis on histopathologic examination.


RESULTS
Histopathologic examination revealed metastasis in four patients (4/15; 26%) with N+ necks and in five patients (5/53; 9.4%) with N0 necks. Four patients (6.7%) developed late cervical lymph node metastasis at level 3. No evidence of neck disease was encountered in 93% of patients.


CONCLUSIONS
Suprahyoid neck dissection appears to be effective in detecting occult lymph node metastasis. With improved surgical and histopathologic techniques and consideration of skip metastasis, more aggressive treatment approaches may be employed and better survival rates may be obtained.
Kocatürk
Sinan
S
2nd Department of Otolaryngology, SSK Training Hospital, Ankara, Turkey. sinankocaturk@yahoo.com
Ozdemir
Nurettin
N
Erkam
Unsal
U
Uzun
Halit
H
Babila
Aykut
A
Oztürk
Erkan
E
D000328:Adult; D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000453:epidemiology / Q000556:secondary* / Q000601:surgery; D006258:Head and Neck Neoplasms / Q000453:epidemiology / Q000556:secondary* / Q000601:surgery; D006801:Humans; D006928:Hyoid Bone / Q000601:surgery; D015994:Incidence; D008048:Lip Neoplasms / Q000453:epidemiology / Q000473:pathology* / Q000601:surgery; D008197:Lymph Node Excision; D008207:Lymphatic Metastasis; D008297:Male; D008875:Middle Aged; D009364:Neoplasm Recurrence, Local / Q000453:epidemiology* / Q000556:secondary / Q000601:surgery; D009367:Neoplasm Staging; D014421:Turkey / Q000453:epidemiology