Inflammatory pseudotumor of the sigmoid colon mesentery: US and CT findings (2004:12b).

The concept of inflammatory pseudotumor has evolved from meticulous pathological studies; some of its histological features resemble a spindle-cell sarcoma. Despite the fact that it usually affects children and young adults, only limited numbers of childhood cases have been reported in the pediatric literature. Recognition of this rare entity is important because the clinical manifestations and radiological features may be indistinguishable from a malignant lymphoproliferative disorder.

[Review: Fetal risks in radiological examinations and estimated fetal absorption dose].

There has been growing concern about radiation exposure in the case of pregnant women who undergo radiological examinations. Lack of knowledge is responsible for the great anxiety and probably unnecessary termination of pregnancies. The main effects of radiation on the human embryo and fetus are prenatal death, growth retardation, congenital malformations and mental retardation as well as stocastic effect in lower doses.