Avaliação por tomografia computadorizada do envolvimento loco-regional do carcinoma espinocelular de corda vocal / Computed tomography evaluation of loco-regional involvement of squamous cell carcinoma of the vocal cord
Radiol. bras
;
34(4): 193-200, jul.-ago. 2001. ilus, tab
Article
in Portuguese
| LILACS
| ID: lil-352944
RESUMO
No período de 1992 a 1998, foram avaliados, retrospectivamente, exames de tomografia computadorizada e prontuários de 22 pacientes com carcinoma espinocelular de corda vocal. Avaliou-se a concordância entre observadores para todos os casos e a acurácia e concordância entre os métodos para os casos operados, utilizando-se o índice kappa. A concordância foi excelente para o comprometimento tumoral das cartilagens tireóide, cricóide, extensão extralaríngea e estadiamento linfonodal; ótima para o envolvimento tumoral das cordas vocais, comissura posterior e espaço paraglótico; boa para o envolvimento tumoral da supraglote, subglote e estadiamento tumoral; regular para o envolvimento tumoral da comissura anterior e cartilagem aritenóide. A utilização simultânea da avaliação clínica e tomográfica para o estadiamento T obteve acurácia e concordância com achados patológicos de 89,47 por cento e 84,9 por cento, respectivamente, sendo superior à análise clínica isolada ou tomográfica. A acurácia e concordância patológica da tomografia computadorizada para o estadiamento N foi de 100 por cento, sendo superior à avaliação clínica
ABSTRACT
We reviewed the case notes and computed tomography scans of 22 patients with squamous cell carcinoma of the vocal cord, in the period between 1992 and 1998. Interobserver concordance for all cases and accuracy and concordance between the methods for the operated patients were evaluated using the kappa test. Concordance was classified as follows excellent for evaluating tumoral involvement of the thyroid and cricoid cartilages, extralaryngeal extension and lymph node staging; very good for tumoral involvement of vocal cords, posterior commissure and paraglottic space; good for tumoral involvement of the supraglottic and subglottic regions and tumoral staging; regular for tumoral involvement of the anterior commissure and arytenoid cartilage. The combination of clinical and computed tomography evaluation for T staging resulted in an accuracy and concordance with the pathological results of 89.47% and 84.9%, respectively, which were superior to isolated clinical or computed tomography analysis. The accuracy and pathological concordance of computed tomography for N staging was 100%, which was superior to clinical evaluation.
Full text:
Available
Index:
LILACS (Americas)
Main subject:
Vocal Cords
/
Carcinoma, Squamous Cell
/
Laryngeal Neoplasms
Type of study:
Observational study
Limits:
Adult
/
Female
/
Humans
/
Male
Country/Region as subject:
South America
/
Brazil
Language:
Portuguese
Journal:
Radiol. bras
Journal subject:
Diagnostic Imaging
/
Radiology
Year:
2001
Type:
Article
Affiliation country:
Brazil
Institution/Affiliation country:
Colégio Brasileiro de Radiologia/BR
/
Complexo Hospitalar Heliópolis/BR
Similar
MEDLINE
...
LILACS
LIS