Differentiation of child abuse from osteogenesis imperfecta.
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Biomedical subjects
Publications and source records attributed to D S Ablin.
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This paper discusses a new oblique posterior to anterior extrinsic vascular impression on the distal esophagus in total anomalous pulmonary venous return (TAPVR) below the diaphragm caused by a right common pulmonary vein.
Familial achalasia in siblings has been reported previously. We describe the clinical and radiographic findings in two siblings with achalasia. A discussion of the possible hereditary influence in achalasia is presented as well as a pertinent review of the literature.
This is the case report of a boy with a splenic abscess that was successfully treated by partial splenectomy using an automatic stapler. The abscess was caused by Serratia marcescens, a nosocomial pathogen.
The case of a 5-year-old girl with a giant cystic hygroma of the posterior mediastinum is reported. Although the tumor was bilateral, it was excised by unilateral thoractomy. The unique anatomical features of this tumor suggested an embryologic origin from the cisterna chyli or the primitive paired thoracic ducts.
To investigate whether radiographic findings could be used to predict pan-necrosis (necrosis of 75% or more of the jejunum, ileum, and colon), we reviewed the serial abdominal radiographs and clinical records of 147 infants with necrotizing enterocolitis. Pan-necrosis occurred in 29 infants (20%) and was always fatal. The presence and degree of pneumatosis intestinalis, pneumoperitoneum and portal venous gas were studied. Pan-necrosis occurred least frequently in infants with mild or moderate pneumatosis intestinalis (8% and 12%, respectively), and with moderate frequency in those with pneumoperitoneum (33%). Pan-necrosis was found most frequently in infants with severe pneumatosis intestinalis (56%), portal venous gas (61%), or the combination of severe pneumatosis intestinalis and portal venous gas (79%). The mortality rates in these three groups were 63%, 65%, and 86%, respectively. Thus, infants with the worst outcome (those who develop pan-necrosis) can be identified on plain films by detection of severe pneumatosis intestinalis and portal venous gas.
Diagnostic imaging procedures for evaluation of the chest, airways, and sinuses in the infant and child have been reviewed. Procedures include plain radiographs, fluoroscopy, esophagram and UGI, computed tomography, conventional tomography, MRI, digital subtraction angiography, angiography, interventional radiology, ultrasound, bronchography, and pulmonary and esophageal scintigraphy. Knowledge of these imaging procedures aids the physician in ordering the proper examination for the efficient diagnostic workup.
The positive predictive value of a diagnosis of colonic polyp on the double-contrast barium enema was determined by analyzing 160 polypoid lesions reported in 105 patients. Of the 160 polyps, 139 were confirmed by endoscopy, surgery, or repeat barium enema for a positive predictive value of 87%. Twenty-one lesions were not confirmed despite repeat endoscopy, repeat barium enema, review of the original study, or surgery, giving a false positive rate of 13%. The individual false positive error rates of 5 radiologists ranged from 8% to 26%. False positive errors were due to stool, diverticula, air bubbles, misinterpretation of the ileocecal valve, and haustration. Many of the false positive errors appeared to have been avoidable if the original examination had been more meticulously interpreted.
The morphologic appearance of 96 polyps seen on double-contrast barium enema was reviewed to assess the predictive value of various signs described to diagnose malignancy. Size, surface contour, basal indentation, and pedunculation were studied. Sessile polyps had an appreciable incidence of malignancy, with size being the best indicator of that risk. Pedunculation was found to be a reliable sign of benignity in predicting the absence of malignant invasion into the adjacent colonic wall. Polyps under 1 cm and having a smooth contour were invariably benign. Conversely, polyps larger than 1 cm with a lobulated contour and basal indentation had a significant incidence of malignancy.
Most patients presenting with right lower quadrant pain are clinically suspected to have acute appendicitis. However, sonographic findings other than appendicitis are detected in patients who are referred for ultrasound to rule out appendicitis. This pictorial essay delineates a number of unsuspected pathological conditions revealed by ultrasound examination of the right lower quadrant that do not involve the appendix but closely mimic acute appendicitis. Imaging studies play a significant role in preoperative diagnosis and determination of proper treatment. The patient can undergo triage for proper further workup and surgical versus nonsurgical management. Acute appendicitis initially was considered on clinical presentation in all of our patients. The correct diagnosis of other pathological conditions was made on the basis of sonographic findings.
Patients with right lower quadrant (RLQ) pain referred for imaging studies with a clinical diagnosis of appendicitis may have other pathologic conditions mimicking appendicitis. Appropriate diagnostic imaging may establish other specific diagnoses and thereby play a significant role in determining proper medical or surgical treatment. In this pictorial essay, we present a spectrum of imaging findings in patients whose clinical features were suggestive of appendicitis, but the diagnoses of a broad spectrum of other diseases were established with the imaging studies. The differential diagnoses of diseases mimicking appendicitis are reviewed.
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