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Year : 2022  |  Volume : 17  |  Issue : 4  |  Page : 1027

Radiography in dermatomyositis

Department of Radiodiagnosis, Jawaharlal Nehru Medical College, Wardha, Maharashtra, India

Date of Submission25-Jan-2021
Date of Acceptance05-Jun-2022
Date of Web Publication10-Feb-2023

Correspondence Address:
Dr. Suresh Vasant Phatak
Department of Radiodiagnosis, Jawaharlal Nehru Medical College, Sawangi (Meghe), Wardha, Maharashtra
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jdmimsu.jdmimsu_36_21

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How to cite this article:
Bishnoi L, Phatak SV, Bhansali PJ, Gupta RS. Radiography in dermatomyositis. J Datta Meghe Inst Med Sci Univ 2022;17:1027

How to cite this URL:
Bishnoi L, Phatak SV, Bhansali PJ, Gupta RS. Radiography in dermatomyositis. J Datta Meghe Inst Med Sci Univ [serial online] 2022 [cited 2023 Apr 1];17:1027. Available from: http://www.journaldmims.com/text.asp?2022/17/4/1027/369497


Dermatomyositis is a rare disorder.

The idiopathic inflammatory myopathy is considered to be a group of chronic systemic connective tissue disorders, which mainly consists of diseases such as dermatomyositis, polymyositis, and inclusion body myositis. Dermatomyositis and polymyositis occur more frequently than Inclusion body myositis.[1] Because of overlapping features of polymyositis and dermatomyositis, misdiagnosis is common. Muscle biopsy can make accurate diagnosis of different subtypes of myositis.[2] Radiographs in the acute phase of dermatomyositis can demonstrate distinct thickening of soft tissues at the proximal parts of the limbs, increased radio density of the subcutaneous tissue and muscle, coupled with poor appreciation of the subcutis-muscle interface.[3],[4],[5] While in chronic phase, the most pathognomonic radiographic findings are soft tissue calcifications, detected in approximately 25%–50% of patients. They can potentially cause contractures and lead to localized muscle atrophy. Bone loss of long bones and other complications, such as compression fractures of vertebral bodies or avascular necrosis secondary to steroid therapy, may also be associated with this.[6] Four different patterns of calcification are described in literature in diagnosed cases of dermatomyositis which include superficial nodular/clump such as calcific masses, deep calcaneal masses, deep linear/sheet like calcifications occurring in fascial planes and a rare manifestation of diffuse superficial lace like/reticular calcification which involving entire body surface[7],[8] [Figure 1]a and [Figure 1]b.
Figure 1: (a and b) Radiograph pelvis AP and lateral view showing combination of calcification patterns namely superficial clump like calcified masses, deep-seated calcified masses, deep linear sheet like masses occurring in fascial planes and superficial lace like calcification

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  References Top

Ungprasert P, Leeaphorn N, Hosiriluck N, Chaiwatcharayut W, Ammannagari N, Raddatz DA. Clinical features of inflammatory myopathies and their association with malignancy: A systematic review in Asian population. ISRN Rheumatol 2013;2013:509354.  Back to cited text no. 1
Ernste FC, Reed AM. Idiopathic inflammatory myopathies: Current trends in pathogenesis, clinical features, and up-to-date treatment recommendations. Mayo Clin Proc 2013;88:83-105.  Back to cited text no. 2
Resnick D, Kransdorf MJ. Dermatomyositis, polymyositis, and other inflammatory myopathies. In: Bone and Joint Imaging. Philadelphia: Elsevier Saunders; 2005. p. 337-43.  Back to cited text no. 3
Schwartz Doria A, Babyn P. Imaging investigation of arthritis in children. In: Imaging of Arthritis and Metabolic Bone Diseases. Philadelphia: Sounders Elsevier; 2009. p. 428-56.  Back to cited text no. 4
Greenspan A, Gershwin ME. Connective tissue arthropathies. In: Greenspan A, Gershwin ME, editors. Imaging in Rheumatology. Philadelphia: Wolters Kluwer; 2018. p. 316-20.  Back to cited text no. 5
Sudoł-Szopińska I, Jacques T, Gietka P, Cotten A. Imaging in dermatomyositis in adults and children. J Ultrasonogr 2020;20:e36.  Back to cited text no. 6
Agarwal V, Sachdev A, Dabra AK. Case 104: Calcinosis in juvenile dermatomyositis. Radiology 2007;242:307-11.  Back to cited text no. 7
Blane CE, White SJ, Braunstein EM, Bowyer SL, Sullivan DB. Patterns of calcification in childhood dermatomyositis. AJR Am J Roentgenol 1984;142:397-400.  Back to cited text no. 8


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