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Case Reports
. 2022 Jan 16:25:101771.
doi: 10.1016/j.jcot.2022.101771. eCollection 2022 Feb.

Brachialis muscle metastasis: An unusual, presenting site of metastatic adenocarcinoma of the colon

Karthikeyan P Iyengar  1 , Ankita Vinjamuri  2 , Neeraj Ahuja  1
Affiliations
Case Reports

Brachialis muscle metastasis: An unusual, presenting site of metastatic adenocarcinoma of the colon

Karthikeyan P Iyengar et al. J Clin Orthop Trauma. .

Abstract

Skeletal muscle metastasis from gastrointestinal system tumours is extremely rare. We report an unusual presentation of skeletal muscle metastasis in the brachialis muscle as a presenting feature of a previously undiagnosed colonic adenocarcinoma in a 66-year-old male. He presented to us with a painful, flexion deformity of his elbow and suspected to have a biceps brachii rupture. We review the clinico-radiological findings and the relevant literature. This case-report highlights the importance of a thorough clinical evaluation especially in presence of red flag signs, early multi-disciplinary team (MDT) discussion and biopsy to formulate a plan of management.

Keywords: Colorectal carcinoma; Magnetic resonance imaging; Muscle metastasis.

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Conflict of interest statement

None.

Figures

Fig. 1
Fig. 1
Clinical photograph (a and b) illustrating the fixed flexion deformity of the Right elbow.
Fig. 2
Fig. 2
Sagittal T2 -weighted MRI [a] and T2-weighted FS (Fat suppressed MRI) [b] showing marked oedema involving the brachialis muscle (arrow).
Fig. 3
Fig. 3
Axial T1-weighted MRI [a] and T1-FS [b] post contrast MRI showing enhancing lesion within the brachialis muscle (arrow).
See this image and copyright information in PMC

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