case_images: PMC11237831_01
case_images: Mass in the left neck region.
case_images: NCI-11-258-g001.jpg
case_images: PMC11237831_01_NCI-11-258-g001.jpg
case_images: F1
case_images: A smooth-circumscribed, soft-consistent cystic lesion with a diameter of approximately 8 cm, which was learned to grow gradually in the left neck region for about three years, was palpated (Fig. 1).
case_images: CT image.
case_images: NCI-11-258-g002.jpg
case_images: PMC11237831_01_NCI-11-258-g002.jpg
case_images: F2
case_images: The computed tomography (CT) scan of the neck and thorax demonstrated a regular cyst on the left side of the neck in the left supraclavicular area, measuring 8 cm in diameter and approximately 3.5 cm hypodense appearance in the adjacent area of the lesion (Fig. 2).
case_images: MR image, mediastinal extension suspected.
case_images: NCI-11-258-g003.jpg
case_images: PMC11237831_01_NCI-11-258-g003.jpg
case_images: F3
case_images: Magnetic resonance imaging (MRI) of the neck and thorax showed an 8.5x6.5-cm cystic mass located at the left supraclavicular area, 4x2-cm lesion in the medial area adjacent to the lesion (hypointense in T1 sequence, heterogeneous hyperintense in T2 sequence, no significant contrast enhancement, cystic lesion in favor of benign pathologies) (Fig. 3).
case_images: Surgical materials removed during the operation.
case_images: NCI-11-258-g004.jpg
case_images: PMC11237831_01_NCI-11-258-g004.jpg
case_images: F4
case_images: A harder, white-colored 4x2 cm lesion in anteromedial was excised with blunt and sharp dissection (Fig. 4).