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Biomedical subjects

T E Sumner

Publications and source records attributed to T E Sumner.

At least 19 recordsLinked to original sources
PubMed2000

Fibrocartilaginous mesenchymoma of bone: case report and review of the literature.

Fibrocartilaginous mesenchymoma of bone is a rare primary neoplasm. Our literature search produced only 12 previously reported cases. Radiographic and computed tomography (CT) findings have been described, but the magnetic resonance imaging (MRI) appearance has not been reported previously. We report a patient with fibrocartilaginous mesenchymoma of the ilium and describe the imaging findings on conventional radiography, bone scan, CT, and MRI.

Biopsy, Needle↗
PubMed1999

Diffuse neonatal hemangiomatosis with extensive involvement of the brain and cervical spinal cord.

BACKGROUND: Diffuse neonatal hemangiomatosis (DNH) is a rare disorder first recognized at birth or during the neonatal period. DNH is characterized by numerous cutaneous and visceral hemangiomas involving three or more organ systems. MATERIALS AND METHODS: Although the skin and liver are most frequently affected, we present a case of DNH demonstrating an unusual predilection for the central nervous system (CNS). RESULTS AND CONCLUSION: We report the imaging findings in a patient with this disorder, paying particular attention to the features seen on cranial sonography and spinal MR imaging.

Brain Neoplasms↗
PubMed1997

A complex communicating bronchopulmonary foregut malformation: diagnostic imaging and pathogenesis.

We report a newborn with an esophageal lung, a rare type of communicating bronchopulmonary foregut malformation (CBPFM). Associated findings included esophageal atresia, tracheoesophageal fistula (TEF) to the distal esophagus, duodenal stenosis with annular pancreas, imperforate anus, vertebral anomalies and ambiguous genitalia. Radiologic evaluation included chest radiographs, esophagrams, chest ultrasound and chest CT. After colostomy and surgical repair of duodenal stenosis and TEF, a right thoracotomy was performed to treat an esophageal lung. Radiologic features of this unusual variant of CBPFM are presented. Accurate preoperative imaging diagnosis is essential for planning surgical treatment of an esophageal lung.

Anus, Imperforate↗
PubMed1996

CT of the pediatric gastrointestinal tract.

Despite the fact that children are not small adults, some children will invariably be evaluated with adult imaging protocols. As CT gains popularity in the evaluation of the adult gastrointestinal (GI) tract, there will undoubtedly be some spillover into the pediatric age group. This pictorial essay reviews the CT appearance of some common pediatric GI disorders as common diseases may present uncommonly, both clinically and radiographically.

Child↗
PubMed1994

Pediatric upper gastrointestinal tract.

In conclusion, plain-film radiography and the UGI series are useful, easily obtained tests for screening the pediatric UGI tract and differentiating between medical and surgical disease. Ultrasound continues to develop as an initial test for evaluation of the vomiting infant because of its reliability in diagnosing HPS. Endoscopy remains the superior method for diagnosis of mucosal diseases given the limitations of single-contrast barium studies and the newcomer status of ultrasound. Although scintigraphy is the most sensitive and physiologic imaging method for evaluation of gastroesophageal reflux, the UGI series and endoscopy currently play dominant roles in the evaluation of the child with "significant" GERD. CT, MR imaging, and endoscopy are secondary procedures because of their preparation, sedation, monitoring requirements, and cost. Each modality provides the radiologist a different perspective on pediatric UGI disease and therefore improves our ability to understand and diagnose abnormalities in the pediatric UGI tract.

Adolescent↗
PubMed1993

Congenital cyst of the pancreas.

The case of a 4-month-old girl with a rare multilocular congenital pancreatic cyst is presented, along with radiological/pathological correlation and a review of the literature. Congenital cyst of the pancreas is a rare lesion most often seen in infant girls, although it may be demonstrated in utero. Conventional radiographic signs and clinical symptoms primarily reflect mass effects, whereas imaging modalities show the cystic nature of the mass. Although rare, this cyst should be considered in the differential diagnosis of fetal and pediatric cystic abdominal masses.

Female↗
PubMed1991

Inflammatory pseudotumor: a gallium-avid mobile mesenteric mass.

An 8-yr-old boy with a 1-mo history of culture-negative fever and anemia underwent gallium, ultrasound, and computed tomography studies as part of the evaluation of a fever of unknown origin. These studies revealed a mobile gallium-avid solid abdominal mass subsequently proven to be an inflammatory pseudotumor of the mesentery, a rare benign mass. This report documents the gallium-avid nature of this rare lesion and discusses associated characteristic clinical, pathologic, and radiographic features.

Child↗
PubMed1987

The significance of ventriculomegaly in the newborn with myelodysplasia.

Hydrocephalus occurs in 69% to 92% of the meningomyelocele population, but rarely becomes manifest until after the meningomyelocele is closed. Ventriculomegaly is common at birth, even in neonates without overt hydrocephalus. Thus, palpating the anterior fontanel and cranial sutures and measuring the head circumference may be misleading. We report a means of identifying spina bifida neonates who will subsequently develop hydrocephalus. Dubowitz gestational age, birth weight, birth head circumference, head circumference percentile, and the lateral ventricular ratio (LVR) from ultrasonograms were analyzed for each of 25 neonates with meningomyelocele. The mean head circumference percentile was 47.7 +/- 7.7 SE (range: less than 5 to greater than 95). Ventriculomegaly, however, defined by an LVR of greater than 0.32, was present in all but 2 of the neonates. Pearson's correlation test showed that only one-third of the elevated LVRs could be explained by the head circumference. Later ventricular shunting was eventually required in all but 3 infants. We concluded that (1) clinical examination of the myelodysplastic neonate usually does not reveal evidence of hydrocephalus and (2) ventriculomegaly on ultrasonography predicts the later development of hydrocephalus following meningomyelocele closure.

Brain↗
PubMed1986

Calcified thrombus of the inferior vena cava in transposition of the great vessels.

Calcified thrombus of the inferior vena cava (IVC) in children is an entity usually not associated with significant complications. The possibility of pulmonary embolism from the soft thrombus, however, has been suggested but never reported. We give an account of a child with transposition of the great vessels who suffered embolization from a calcified thrombus in the IVC that entered the systemic circulation.

Calcinosis↗
PubMed1985

Unilateral duplex horseshoe kidney with ectopic ureterocele.

We have reported a case of horseshoe kidney, a common renal fusion anomaly. Because of the 25% incidence of associated genitourinary anomalies, we believe that the diagnosis of horseshoe kidney in pediatric patients should initiate a thorough urologic evaluation, including intravenous urography and real-time sonography.

Child, Preschool↗
PubMed1985

Anaphylactic and allergic reactions during double-contrast studies: is glucagon or barium suspension the allergen?

The authors report three anaphylactic reactions and one allergic reaction during double-contrast studies using glucagon. Symptoms included hives, periorbital edema, and breathing difficulties. Studies performed were three double-contrast barium enemas and one double-contrast upper gastrointestinal series. Glucagon injection and/or an additive in barium suspension are suspected as the likely causes. The allergic potential of glucagon injection, which is not generally appreciated, is reviewed.

Adolescent↗