Comparison of ultrasound and ct imaging / dental implant courses
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Comparison of ultrasound and ct imaging / dental implant courses
- 1. IMAGING IN MASSETERIC CYSTICERCOSIS: CT vs USG INDIAN DENTAL ACADEMY Leader in continuing Dental Education www.indiandentalacademy.com
- 3. Epidemiology • 2.5 million carriers of T. solium and 20 million are infected with the cysticerci1 . • Endemic villages in Central America- up to 25% population is seropositive and 10-18% have CT findings suggestive of neurocysticercosis1 www.indiandentalacademy.com
- 4. www.indiandentalacademy.comwww.indiandentalacademy.com Indian Dental academy • www.indiandentalacademy.com • Leader continuing dental education • Offer both online and offline dental courses
- 5. • Cysticercosis: Infection with the larval (cysticercus) stage of Taenia solium2 . • 86% brain, meninges , and eyes8 • Remainder are located in the muscles, heart, lungs, and peritoneum. • Maxillofacial region –tongue, lips, buccal mucosa muscles involvement reported.4,5,7,8 www.indiandentalacademy.com
- 6. Life cyclLife cycle of Taenia solium e of Taenia solium 1 www.indiandentalacademy.com
- 7. Human cysticercosis • Neuro cysticercosis1,2,3 - most symptoms are because of the inflammatory reaction associated with cyst degeneration (that may take years to happen) - epilepsy, hydrocephalus, encephalitis, meningitis • Ophthalmic cysticercosis1,2,3 - intraocular cysts floating freely in the subretinal space causing visual disturbance www.indiandentalacademy.com
- 8. • Subcutaneous & Striated muscle cysticercosis1-3 – small, palpable, movable nodules - chests and arms - mild or no symptoms . www.indiandentalacademy.com
- 9. Presentation maxillo-facial region • Muscular form reported with 3 sub types:6 • myalgic type • mass-like, pseudotumour or abscess-like type • pseudohypertrophic type (rare) www.indiandentalacademy.com
- 10. Case Report • 53 year old male was referred with diffuse swelling on left side of the face x 2 months • Sudden increase in size for past 15 -20 days • Swelling - slightly tender , non-fluctuant, with stretched overlying skin • No history of fever www.indiandentalacademy.com
- 11. • CT scan face with contrast was performed with the puff cheek technique on a 64-slice MD CT • Sonographic examination of the left maxillo-facial region was done with a linear probe at 4.21 MHz frequency www.indiandentalacademy.com
- 19. D/D on Imaging • Unilateral masseter hypertrophy • Hydatid disease • Tuberculosis( cold abcess) www.indiandentalacademy.com
- 20. Conclusion • Diagnosis of muscular and subcutaneous cysticercosis can be made with great confidence by evaluating lesions appearance on ultrasound without any further investigation www.indiandentalacademy.com
- 21. REFRENCES 1. Hector H Garcia et al: Taenia solium cysticercosis.The Lancet 2003;362:547-56 2. Jacobs RA. Infectious diseases: Protozoal and helminthic. In: Tierney LM, Mcphee SJ, Papadakes MA (eds). Continuous medical diagnosis and treatment (45th edn). New York, NY: Mcgraw-Hill, 2006, pp 1463–1536. 3. White AC, Weller PF. Cestodes. In: Kasper DL, Braunwald E, Fauci AS, Hauser SL,Longo DL, Jameson JL (eds). Harrison's principles of internal medicine (16th edn). New York, NY: McGraw-Hill, 2004, pp 1272–1276 www.indiandentalacademy.com
- 22. 4 . A Mittal, D Das, N Iyer, J Nagaraj , M Gupta. Masseter cysticercosis - a rare case diagnosed on ultrasound Dentomaxillofac. Radiol., February 1, 2008; 37(2): 113 – 116 5 .B . Subramanian, S Krishnaraj, K Agrawal.Cysticercosis of oral cavity. J Laryngol Otol 2008 ;122:1005-1007 6 .Vijayaraghvan SB. Sonographic appearances in cysticercosis. J Ultrasound Med 2004;23:423–427. 7 .Smiti S, Sripathi H,Naik .Unusual location of cysticercus lesions in soft tissue-a report of three cases. Indian J Radiol Imaging 2003;13;157-158 www.indiandentalacademy.com
- 23. 8 .Sidhu R, Nada R, Palta A, Mohan H, Suri S. Maxillofacial cysticercosis: uncommon appearance of a common disease. J Ultrasound Med 2002;21:199–202. www.indiandentalacademy.com