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Society for Pediatric Radiology – Poster Archive


Multifocal
Showing 4 Abstracts.

Raissaki Maria,  Demetriou Stelios,  Skiadas Christos,  Spanakis Kostas,  Stratigaki Maria,  Katzilakis Nikos,  Stiakaki Eftichia,  Karantanas Apostolos

Final Pr. ID: Poster #: EDU-012

There are various conditions or diseases that may cause multiple bone marrow lesions in children or adolescents. Radiographically, lytic lesions may become apparent after loss of >50% of bone mineral content. Scintigraphy requires osteoblastic activity and is not specific. MRI has been increasingly employed for the investigation of diseases that involve the skeleton and for further delineation of radiographic findings in symptomatic children.
Purpose: To describe the MRI findings of entities resulting in multiple bone marrow lesions in children and provide a wide differential diagnosis.
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Authors:  Raissaki Maria , Demetriou Stelios , Skiadas Christos , Spanakis Kostas , Stratigaki Maria , Katzilakis Nikos , Stiakaki Eftichia , Karantanas Apostolos

Keywords:  bone marrow, polyostotic, multifocal bone lesions, mri

Regmi Pradeep,  Amatya Isha

Final Pr. ID: Poster #: CR-019

Primary tubercular osteomyelitis accounts for less than 10% of extra-pulmonary tuberculosis (TB) in childhooduMultifocal tuberculosis with more than one site especially in immune-competent children is rare. Very few cases of multifocal involvement of ribs and sternum are reported. We are presenting a case of a 14-year-old boy presented with painless swelling in the chest.
Clinical history
The 4-year-old child presented with painless swelling on his anterior chest in midline and back pain on and off for 3 months duration. No history of trauma. However, he lost about 3 kilograms of his weight in this duration. On examination, the swelling was soft and painless on palpation. No exit points in the skin. There was no lymphadenopathy. However, other systemic examinations were unremarkable. Lab parameters revealed a WBC count of 11,000 with lymphocyte-predominant.
In children, the bones most commonly affected are the metaphysis of the long bones (femur, tibia, fibula, radius, ulna and humerus), spine, pelvic girdle and skull bones. Multifocal skeletal tuberculosis is uncommon in children and accounts for less than 10% of skeletal tuberculosis. Sternum TB commonly occurs by reactivation of latent focuses formed throughout the course of hematogenous or lymphatic dissemination of primary tuberculosis. Extra-pulmonary tuberculosis in children varies from 21-44%. Pericardial involvement is one of the crucial sites of involvement. About 10% of children develop constrictive pericarditis in follow up for pericardial effusion.
The diagnosis of bone tuberculosis is particularly challenging as the presentation of skeletal tuberculosis is often insidious, with an absence of the classical features of pulmonary tuberculosis or typical systemic features such as fever, cough, night sweats or weight loss (history of localized painless swelling and weight loss were present in our case). The gold standard for diagnosis comprises histological examination verification. Needle aspiration or excisional biopsy for histopathological diagnosis of sternum TB is obligatory. Both Needle aspiration and biopsy were performed in our case.
The clinical presentation in patients with multifocal musculoskeletal tuberculosis may closely mimic that in patients with multiple bone metastases, which makes the accurate clinical diagnosis challenging. Clinical and even radiological findings may be indistinguishable from malignant disease, so histopathological evaluation is warranted in such cases.
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Authors:  Regmi Pradeep , Amatya Isha

Keywords:  Multifocal osteomyelitis, Tubercular, Children

Bates Nicholas,  Nurkic Tarik,  Sharma Priya,  Rajderkar Dhanashree

Final Pr. ID: Poster #: EDU-116

There are many recognized causes of benign bony lesions in pediatric age group. Some of the lesions are commonly encountered, and some of them are very rare. The purpose of our exhibit is to illustrate a complete spectrum of the benign bony pathologies including 'Donot touch lesions'. Read More

Authors:  Bates Nicholas , Nurkic Tarik , Sharma Priya , Rajderkar Dhanashree

Keywords:  Benign, Multifocal, Do No touch lesions, Multifocal benign lesions in Pediatric Population, Benign bony lesions

Baja Manish,  Sato T Shawn,  Sato Yutaka,  Kao Simon,  Ferguson Polly

Final Pr. ID: Poster #: EDU-136

This educational exhibit aims to :
1. Discuss the pathogenesis of Chronic Recurrent Multifocal Osteomyelitis (CRMO) with enumeration of Diagnostic Clinical Criteria
2. Describe pertinent findings on whole body Short tau Inversion Recovery (STIR) MR Imaging.
3. Illustrate evolution of MR findings on follow up imaging.
4. Identify common imaging differentials to be considered and pitfalls to be avoided
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Authors:  Baja Manish , Sato T Shawn , Sato Yutaka , Kao Simon , Ferguson Polly

Keywords:  Recurrent, Multifocal, Osteomyelitis