Go Back
This abstract was viewed 72 times

Case report


The "dot in circle" sign on MRI in maduramycosis: a characteristic finding

Vikash JainGopee E MakwanaNandini BahriManish K Mathur
Departments of Radiodiagnosis and Microbiology, M.P.Shah Medical College and G.G. Hospital, Jamnagar, Gujarat, India
Date of Submission: 26-Apr-2012, Date of Acceptance: 22-Jul-2012, Date of Web Publication: 31-Oct-2012.
Corresponding Author:
Corresponding Author

Vikash Jain

Department of Radiodiagnosis, M.P. Shah Medical College and G.G. Hospital, Jamnagar, Gujarat, India.
E-mail: vikashrjain@rediffmail.com

Corresponding Author:
Corresponding Author

Vikash Jain

Department of Radiodiagnosis, M.P. Shah Medical College and G.G. Hospital, Jamnagar, Gujarat, India.
E-mail: vikashrjain@rediffmail.com

DOI: 10.4103/2156-7514.103056 Facebook Twitter Google Linkedin

ABSTRACT


Mycetoma or Maduramycosis is a localized chronic suppurative infection characterized by exuberant granulation tissue, discharging sinuses, and bone involvement later in the course of the disease. Early clinical diagnosis before the appearance of sinuses and grains (aggregates of organism surrounded by granulation tissue, which are discharged from the draining sinuses) is difficult. Delay in diagnosis may lead to amputation of the affected part. Definitive diagnosis is through biopsy and microbiological examination. However, at times diagnosis may still be difficult. The recently described "dot in circle" sign on magnetic resonance imaging (MRI) is easy to recognize and highly specific. We present a case of mycetoma foot with characteristic MRI features.
Keywords: Dot In Circle Sign, MRI, Maduramycosis, Mycetoma

Cited in 10 Documents

  1. Elaine G. Cox and John Manaloor (2018) Principles and Practice of Pediatric Infectious Diseases. 1287. doi: 10.1016/B978-0-323-40181-4.00255-3
  2. P. Nenoff, W.W.J. van de Sande, A.H. Fahal, D. Reinel and H. Schöfer (2015) Eumycetoma and actinomycetoma - an update on causative agents, epidemiology, pathogenesis, diagnostics and therapy. J Eur Acad Dermatol Venereol 29(10):1873. doi: 10.1111/jdv.13008
  3. Maxime Moniot, Marion Montava, Stéphane Ranque, Ugo Scemama, Carole Cassagne and Varoquaux Arthur (2019) Malignant Aspergillus flavus Otitis Externa with Jugular Thrombosis. Emerg. Infect. Dis. 25(4):830. doi: 10.3201/eid2504.180710
  4. Zafar Neyaz, Namita Mohindra, Ankur Bhatnagar and Rungmei S. K. Marak (2018) Case 249: Intramuscular Mycetoma. Radiology 286(1):353. doi: 10.1148/radiol.2017152807
  5. Yoann Crabol, Sylvain Poiree, Marie-Elisabeth Bougnoux, Christophe Maunoury, Stéphane Barete, Valérie Zeller, Cédric Arvieux, Samuel Pineau, Karima Amazzough, Marc Lecuit, Fanny Lanternier, Olivier Lortholary and Bodo Wanke (2014) Last Generation Triazoles for Imported Eumycetoma in Eleven Consecutive Adults. PLoS Negl Trop Dis 8(10):e3232. doi: 10.1371/journal.pntd.0003232
  6. Tamer Ahmed EL-Sobky, John Fathy Haleem and Shady Samir (2015) Eumycetoma Osteomyelitis of the Calcaneus in a Child: A Radiologic-Pathologic Correlation following Total Calcanectomy. Case Reports in Pathology 2015:1. doi: 10.1155/2015/129020
  7. Florent L. Besson, Paul Blanc-Durand, Céline Meyer, Gilles Grimon and Emmanuel Durand (2017) PET/CT and MRI Imaging of a Eumycetoma of the Right Thigh. Clinical Nuclear Medicine 42(1):61. doi: 10.1097/RLU.0000000000001436
  8. Richard W. Whitehouse and Anand Kirwadi (2017) Pitfalls in Musculoskeletal Radiology. (Chapter 28):547. doi: 10.1007/978-3-319-53496-1_28
  9. Amit M. Sharma, Amritpal Nat, Namita Sharma, Timothy P. Endy and Meghan Rane (2014) Non-Invasive Management of Madura Foot with Oral Posaconazole and Ciprofloxacin. 91(6):1259. doi: 10.4269/ajtmh.14-0335
  10. Teeranan Laohawiriyakamol, Pramot Tanutit, Kanet Kanjanapradit, Keerati Hongsakul and Shigeru Ehara (2014) The “dot-in-circle” sign in musculoskeletal mycetoma on magnetic resonance imaging and ultrasonography. SpringerPlus 3(1):. doi: 10.1186/2193-1801-3-671

This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial-Share Alike 4.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as the author is credited and the new creations are licensed under the identical terms.