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Graded Compression Sonography of the Colon in the Diagnosis of Polyps in Pediatric Patients

Matteo Baldisserotto1, José Vicente Noronha Spolidoro2 and Maria da Graça Soares Bahú3

1 Departamento de Ultra-sonografia, Hospital São Lucas-Pontifícia Universidade Católica do Rio Grande do Sul, Av. Ipiranga, 6690, Porto Alegre, RS, Brazil, CEP 90610-000.
2 Departamento de Pediatria, Hospital São Lucas-pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil, CEP 90610-000.
3 Departamento de Gastrenterologia Pediátrica, Hospital da Criança Conceição, Av. Francisco Trein, 596, Porto Alegre, RS, Brazil, CEP 91350-200.



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  		Fig. 2B. —11-year-old boy with anemia. Color Doppler sonogram obtained in transverse plane shows few small cysts (arrowhead) in lesion (arrows).

 


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  		Fig. 1A. —9-year-old boy with abdominal pain for several months. Gray-scale sonogram reveals polyp with small cysts (arrowhead) in sigmoid flexure (large arrows), with hyperechoic peripheral submucosa (small arrows).

 


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  		Fig. 1D. —9-year-old boy with abdominal pain for several months. Picture of glass slide shows dilated secretory tubules in resected polyp. (H and E, x2)

 


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  		Fig. 1C. —9-year-old boy with abdominal pain for several months. Color Doppler sonogram shows polyps (arrows) with pedicle extending to intestinal wall (arrowheads).

 


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  		Fig. 2C. —11-year-old boy with anemia. Color Doppler sonogram reveals hypervascular pedicle (arrows) extending to intestinal wall.

 


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  		Fig. 3B. —7-year-old girl with abdominal pain for 1 year. Gray-scale sonogram shows polyp (large arrows) with pedicle (small arrows) extending to intestinal wall.

 


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  		Fig. 3A. —7-year-old girl with abdominal pain for 1 year. Gray-scale sonogram reveals hypoechoic polyp (arrows) with small cysts (arrowhead) in transverse colon.

 


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  		Fig. 3C. —7-year-old girl with abdominal pain for 1 year. Gray-scale sonogram obtained in transverse plane shows proximal colocolic intussusception (arrows), which reduced spontaneously during scanning.

 


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  		Fig. 3D. —7-year-old girl with abdominal pain for 1 year. Gray-scale sonogram obtained in longitudinal plane shows colocolic intussusception (arrows).

 


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  		Fig. 2A. —11-year-old boy with anemia. Color Doppler sonogram of polyp (arrows) obtained in longitudinal plane in transverse colon shows hypovascularization of lesion.

 


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  		Fig. 1B. —9-year-old boy with abdominal pain for several months. Color Doppler sonogram reveals highly vascularized polyp (arrows).

 

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