case_images: PMC9531732_01
case_images: Clinical photograph
case_images: JWACS-12-91-g001.jpg
case_images: PMC9531732_01_JWACS-12-91-g001.jpg
case_images: F1
case_images: Examination showed a swelling in the left side of the neck, measuring 5 cm X 4 cm, non-tender, firm with cystic areas, and with defined peripheral margins, non-pulsatile, no bruit, [Figures 1 and 2].
case_images: Clinical photograph
case_images: JWACS-12-91-g002.jpg
case_images: PMC9531732_01_JWACS-12-91-g002.jpg
case_images: F2
case_images: Examination showed a swelling in the left side of the neck, measuring 5 cm X 4 cm, non-tender, firm with cystic areas, and with defined peripheral margins, non-pulsatile, no bruit, [Figures 1 and 2].
case_images: Ultrasonographic image
case_images: JWACS-12-91-g003.jpg
case_images: PMC9531732_01_JWACS-12-91-g003.jpg
case_images: F3
case_images: She had ultrasonography of the neck, which showed a mass with mixed echogenicity, [Figure 3].
case_images: FNAB report
case_images: JWACS-12-91-g004.jpg
case_images: PMC9531732_01_JWACS-12-91-g004.jpg
case_images: F4
case_images: Fine needle aspiration biopsy (FNAB) was suggestive of malignancy, [Figure 4].
case_images: Histopathological sections and report. Section from A (x400) shows malignant spindle cells forming osteoid shows. Section from B (x10,000) shows higher magnification of the malignant spindle cells with osteoid formation. Section from C shows show numerous vascular channels admixed malignant cells. Section from D shows primitive neural cells.
case_images: JWACS-12-91-g005.jpg
case_images: PMC9531732_01_JWACS-12-91-g005.jpg
case_images: F5
case_images: The tunour was subjected to histopathological examination, which revealed osteosarcoma in a background of mature teratoma, [Figure 5].
case_images: Radiograph
case_images: JWACS-12-91-g006.jpg
case_images: PMC9531732_01_JWACS-12-91-g006.jpg
case_images: F6
case_images: Plain radiography of the neck was then requested, and confirmed an osteogenic tumour, [Figure 6].