Tomografia Computerizzata vs Risonanza Magnetica nella diagnostica delle anomalie ano-rettali.

Translated title of the contribution: Computed tomography vs. magnetic resonance in the diagnosis of anorectal anomalies

A. Taccone, A. Marzoli, G. Martucciello, G. Salomone, G. M. Magnano, P. Dodero, V. Jasonni

Research output: Contribution to journalArticle

Abstract

Anorectal malformations include a variety of anatomical anomalies which are often difficult to assess. Thirty-four patients (age range: 1 month-19 years) were studied over a 4-year period, 14 of them preoperatively and 20 postoperatively. In addition to inverted lateral plain films, a barred Iopamiro enema was performed in 13 of 14 cases by a Foley's catheter via colostomy. Endocolic pressure could thus be increased, which allowed the detection of rectal fistulas in 11 of 13 cases. Preoperative CT was performed in 9 cases, and MRI in 5. Both CT and axial MR scans provided accurate images of sphincteric muscles: they were well developed in 7 patients and poorly developed in 6; in 1 case the muscles were not identified. Sagittal MR scans only demonstrated the distance between blind pouch and perineum. Sagittal MRI also provided images of the spine (1 patient exhibited tethered cord). In the postoperative management, except for severe sacral anomalies, miscentered puborectal muscle and hypoplastic musculature were observed as the most frequent causes of fecal incontinence in patients treated with abdomino-perineal pull-through of the colon. To select the cases who needed reoperation, most frequently secondary PSARP, 17 patients were studied by CT and 7 by MRI; both techniques were employed in 4 cases. In 6 patients good development of sphincteric musculature and neo-anorectum correctly positioned within were observed. In 4 cases the neo-anorectum was correctly positioned, but sphincteric muscles were too hypoplastic to allow good continence; in 10 patients with incontinence, the neo-anorectum was seen outside sphincteric musculature: in 2 cases the latter was well developed (1 patient had had severe surgical damage to levator ani), while in 8 it appeared to be poorly developed. In our experience, postoperative CT allowed a correct evaluation to be made, whereas MRI failed to yield additional information.

Original languageItalian
Pages (from-to)638-643
Number of pages6
JournalRadiologia Medica
Volume82
Issue number5
Publication statusPublished - Nov 1991

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Magnetic Resonance Spectroscopy
Tomography
Muscles
Iopamidol
Rectal Fistula
Perineum
Fecal Incontinence
Colostomy
Anorectal Malformations
Enema
Anal Canal
Motion Pictures
Reoperation
Colon
Spine
Catheters
Pressure

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

Cite this

Taccone, A., Marzoli, A., Martucciello, G., Salomone, G., Magnano, G. M., Dodero, P., & Jasonni, V. (1991). Tomografia Computerizzata vs Risonanza Magnetica nella diagnostica delle anomalie ano-rettali. Radiologia Medica, 82(5), 638-643.

Tomografia Computerizzata vs Risonanza Magnetica nella diagnostica delle anomalie ano-rettali. / Taccone, A.; Marzoli, A.; Martucciello, G.; Salomone, G.; Magnano, G. M.; Dodero, P.; Jasonni, V.

In: Radiologia Medica, Vol. 82, No. 5, 11.1991, p. 638-643.

Research output: Contribution to journalArticle

Taccone, A, Marzoli, A, Martucciello, G, Salomone, G, Magnano, GM, Dodero, P & Jasonni, V 1991, 'Tomografia Computerizzata vs Risonanza Magnetica nella diagnostica delle anomalie ano-rettali.', Radiologia Medica, vol. 82, no. 5, pp. 638-643.
Taccone A, Marzoli A, Martucciello G, Salomone G, Magnano GM, Dodero P et al. Tomografia Computerizzata vs Risonanza Magnetica nella diagnostica delle anomalie ano-rettali. Radiologia Medica. 1991 Nov;82(5):638-643.
Taccone, A. ; Marzoli, A. ; Martucciello, G. ; Salomone, G. ; Magnano, G. M. ; Dodero, P. ; Jasonni, V. / Tomografia Computerizzata vs Risonanza Magnetica nella diagnostica delle anomalie ano-rettali. In: Radiologia Medica. 1991 ; Vol. 82, No. 5. pp. 638-643.
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