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Biomedical subjects

A M Stygar

Publications and source records attributed to A M Stygar.

At least 19 recordsLinked to original sources
PubMed1991

[Ultrasonic diagnosis of malformations during the 1st trimester of pregnancy].

Available are the results of ultrasonic investigations for 11 women with embryonal anomalies in the I pregnancy trimester. Echography was demonstrated to detect gross CNS malformations (anencephaly, exencephaly), lymphangiomas, omphalocele, conjoined twins, acardia of amorphic embryo, etc. Transvaginal sensors proved highly informative.

Congenital Abnormalities↗
PubMed1991

[Prenatal ultrasonographic diagnosis of congenital isolated developmental defects of fetal extremities].

The paper shows that echography can be used in the diagnosis of most congenital fetal limb developmental defects. The detection accuracy for severe anatomic defects was 83.3%. That for mild hand and foot developmental defects was achieved in 54.8% of the cases. Bilateral coxofemoral joint dislocation was diagnosed only in 2 fetuses. The paper also presents echograms of most malformations detected and emphasizes that it is essential to make a comprehensive and detailed examination of all fetal limbs.

Arm↗
PubMed1990

[Prenatal ultrasonic diagnosis of developmental abnormalities of the organs of the digestive system].

Analysis is made of the results of ultrasound diagnosis of developmental abnormalities of the alimentary tract. It has been established that the information content of echography is dependent on the anatomic intensity of an abnormality and the period of pregnancy at which the examination was done. It has been shown that the method is not of high diagnostic significance in revealing developmental abnormalities of the upper lip and hard palate, atresia of the esophagus, large intestine and rectum. At the same time atresia of the duodenum, small intestine, omphalocele, gastroschisis, diaphragmatic and inguino-scrotal hernia are detectable in practically 100% of cases. The authors provide echograms of the majority of abnormalities, indicate the minimal times of detection, analyze the causes of diagnostic errors.

Congenital Abnormalities↗
PubMed1990

[Ultrasonographic diagnosis of developmental facial defects in fetuses].

Findings of 55 ultrasound examinations have been evaluated in 35 fetuses with various facial malformations detected by ultrasound and confirmed at birth. Ultrasonographic presentations and diagnostic criteria are given for major facial, palate and lip clefts, abnormal nasal shape, hypo and hypertelorism, microphthalmia, exophthalmia, micro and macrogenia, macroglossia. Ultrasonography proves to be a highly revealing diagnostic study with the provision of a good structural visualization and physicians' skill.

Cleft Palate↗
PubMed1989

[Value of echography in the diagnosis of postoperative complications].

The results of ultrasonic investigation of 54 females with a variety of complications following uterine and adnexal surgery are reviewed. Echograms are presented, and echographic description of intraperitoneal hemorrhages, hematomas at various sites, peritonitis, infiltrations, abscesses, ligature fistulas, pelvic foreign bodies, etc. is made. Echography is shown to be a highly valuable method for the diagnosis of postoperative complications.

Adolescent↗