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Case Reports
. 2014 Apr;8(2):58-60.
doi: 10.4103/0973-6042.137530.

An unusual cause of mass in the shoulder: A primary hydatid cyst

Affiliations
Case Reports

An unusual cause of mass in the shoulder: A primary hydatid cyst

Serdar Yilmaz et al. Int J Shoulder Surg. 2014 Apr.

Abstract

A hydatid cyst is a zoonotic infection which may affect any organ and tissue, particularly the liver and the lung. Primary muscular hydatid cysts comprise less than 0.7-3% of the cases. The hydatid cysts must be kept in mind to avoid a diagnostic puncture in cystic lesions to avoid the spreading of the disease. In this case report, we present an exceptionally rare case with an unusual localization of a primary hydatid cyst in the left deltoid muscle.

Keywords: Daughter cyst; deltoid muscle; germinative membrane; hydatid cyst; scolices.

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Conflict of interest statement

Conflict of Interest: There are no conflicts of interest.

Figures

Figure 1
Figure 1
There was a firm, non-tender mass of 10 × 8 cm in diameter on the posterolateral aspect of the shoulder
Figure 2
Figure 2
MRI aspects of T1 weighted axial image (a) and sagittal image (b) with fat suppression of the cyst, also T2-weighted coronal image shows the daughter cysts well (c)
Figure 3
Figure 3
The mother and daughter cysts of the hydatid cyst were seen extracted in the surgery
Figure 4
Figure 4
The cyst was completely disappeared after 2 years on an axial T1-weighted scan

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