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Vol. 45. Issue 3.
Pages 115-123 (January 2003)
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Vol. 45. Issue 3.
Pages 115-123 (January 2003)
Carcinoma de endometrio: valor de la estadificación prequirúrgica por resonancia magnética*
Endometrial carcinoma: merit of magnetic resonance in pre-surgical staging
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Esther Fernándeza,
Corresponding author
rm.donostia@osatek.es

ESTHER FERNÁNDEZ PARDAVILA. OSATEK. Unidad Donostia. Hospital Donostia. Paseo Dr. Beriguistain, 109. 20014 San Sebastián. España.
, M. Carmen Barreraa, Cristina Gervása, Emma Salvadora, Melcior Sentísa,*, Borja Rivero**
a OSATEK. Unidad Donostia. Hospital Donostia. San Sebastián. España.
* SDI-UDIAT Corporació Sanitaria Parc Taulí. Sabadell. España.
** Departamento de Ginecología y Obstetricia. Hospital Donostia. San Sebastián. España.
Related content
Radiologia. 2003;45:20610.1016/S0033-8338(03)77903-X
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Article information
Objetivo

Evaluar la capacidad de la RM para valorar la infiltración profunda del miometrio y cérvix en el carcinoma de endometrio.

Pacientes y métodos

Se estudió una serie de 30 pacientes consecu-tivas diagnosticadas de cáncer de endometrio que fueron evaluadas pre-quirúrgicamente mediante resonancia magnética (RM). Se utilizaron se-cuencias TSE T2 con saturación de la grasa y secuencia dinámica FFE tras la administración de gadolinio. Se realizó una correlación con la estadificación posquirúrgica histológica. Se halló la sensibilidad (S), es-pecificidad (E), valor predictivo positivo (VPP) y valor predictivo ne-gativo (VPN) para la infiltración profunda miometrial y la invasión del cérvix. Se analizaron los casos de sobrestimación e infraestimación.

Resultados

Para el miometrio y cérvix se obtuvo una S del 67% y 63%, E del 89% y 91%, VPP del 80% y 71% y VPN del 80% y 87%, respectivamente. Se sobrevaloraron dos casos para la infiltración miometrial y dos para el cérvix e infravaloraron cuatro y tres casos, respectivamente.

Conclusión

La estadificación por RM del carcinoma de endometrio es una técnica de alta fiabilidad diagnóstica pero presenta sus limitaciones.

Palabras clave:
Tumores uterinos
Estadificación
Resonancia magnética
Miometrio
Cérvix
Aim

To evaluate MR capacity in assessing deep myometrial and cervical infiltrations in cases of endometrial carcinoma.

Material and methods

A series of 30 consecutively diagnosed en-dometrial cancer patients was pre-surgically evaluated by means of magnetic resonance (MR). TSE-T2 sequences with fat saturation and dynamic FFE sequence were used after gadolinium administration. A correlation with post-surgical histological staging was made. There were then determined sensitivity (S), specificity (SP), positive predictive value (PPV) and negative predictive value (NPV) for the deep myo-metrial infiltration and cervical invasion. Cases of overestimation and underestimation were analyzed.

Results

Values obtained for myometrium and cervix were, respectively, S of 67% and 63%, SP of 89% and 91%, PPV of 80% and 71% and NPV of 80% and 87%. Two cases each were overvalued for myo-metrial infiltration and cervix; four cases and 3 cases, respectively, were undervalued.

Conclusions

MR staging in cases of endometrial carcinoma is a highly reliable diagnostic technique, but it does present certain limitations.

Key Words:
Uterine tumors
Staging
Magnetic resonance
Myometrial
Cervix

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