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Society for Pediatric Radiology – Poster Archive


Susan Taylor

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Showing 2 Abstracts.

We will present imaging findings of segmental spinal dysgenesis in a series of 3 cases of this rare congenital abnormality. We will also describe the embryological basis and pertinent clinical features. Case 1: 8-year-old female recently adopted from China with history of severe scoliosis, neurogenic bladder, and chronic kidney disease. Plain radiographs demonstrate severe destroscoliosis in thoracolumbar region with associated kyphosis. MRI reveals multiple segmentation/formation anomalies in the lumbosacral region. The coccyx was not identified, likely representing associated partial sacrococcygeal dysgenesis. The spinal cord was severely dysgenetic in the lower thoracic region (Figure 1, white outlined arrow). The superior segment of the spinal cord extends from the cervicomedullary junction to the level of T8, where it ends abruptly. No intervening cord tissue is seen between the T8 level and lumbar region. There is an enlarged spinal cord segment at the level of the sacrum in the spinal canal, separate from the superior segment (Figure 2, solid white arrow). CT with 3D reconstruction better demonstrated multiple segmentation/formation anomalies in the thoracic and lumbosacral region, including butterfly vertebrae, hemivertebrae, and block vertebrae. There were 10 ribs on the right noted with the superior 2 ribs fused. Read More

Meeting name: SPR 2018 Annual Meeting & Postgraduate Course , 2018

Authors: Taylor Susan, Bajaj Manish, Sato Yutaka, Policeni Bruno

Keywords: Congenital, Spine, Scoliosis

Germ cell tumors of childhood are most often gonadal in origin. Extragonadal germ cell tumors are located characteristically in the midline arising intracranially, in the mediastinum, pelvis or retroperitoneum. These tumors are generally easily diagnosed due to typical sites of origin and characteristic imaging findings. However, germ cell tumors can be associated with unusual clinical syndromes or imaging features that can perplex the clinician/radiologist. We will review and illustrate atypical imaging/clinical manifestations and complications of germ cell tumors in childhood, based on our experience at two large children’s hospitals. These atypical findings include: Atypical metastatic disease: a) Burned out tumor – Testicular primary not typically evident with viable metastatic disease in retroperitoneal lymph nodes distant viscera, b) Growing teratoma syndrome (increasing size of tumor/pseudoprogression despite appropriate therapy), c) gliomatosis peritonei (maturation into glial tissue during therapy with pseudoprogression on FDG-PET), d) ossified pulmonary metastasis mimicking granulomas Antibody mediated paraneoplastic syndromes: a) anti–N-methyl-D-aspartate (NMDA)– receptor antibody–mediated encephalitis associated with ovarian teratomas, b) anti-Ma2 antibody-mediated encephalitis associated with testicular germ cell tumors Endocrine manifestations: a) Precocious puberty/gynecomastia due to hormonal (hCG) production, b) hyperthyroidism (TSH stimulation and struma ovarii) Local complications: a) ovarian torsion (common), b) ruptured teratoma or dermoid cyst (uncommon) Unusual primary tumors: a) Multifocal primary (e.g. pineal and suprasellar germinoma), b) Currarino triad, c) fetus-in-fetu, d) malignant transformation Read More

Meeting name: SPR 2022 Annual Meeting & Postgraduate Course , 2022

Authors: Gagnon Marie-helene, Parikh Ashish, Taylor Susan, Derenoncourt Paul-robert, Ponisio Maria, Khanna Geetika

Keywords: growing teratoma, gliomatosis peritonei, NMDA encephalitis