case_images: PMC3952286_01
case_images: Small cutaneous opening in the post-auricular region (blue arrow) near mastoid tip discharging clear fluid (saliva)
case_images: AMHSR-4-136-g001.jpg
case_images: PMC3952286_01_AMHSR-4-136-g001.jpg
case_images: F1
case_images: On examination, there was a small cutaneous opening near mastoid tip behind the ear lobule, which discharged clear fluid (saliva) on pressing the parotid gland [Figure 1].
case_images: (a and b) Computed tomography ialography after cannulation of right Stensen's duct and injection of radio-opaque contrast (red arrow) showing a fistulous tract connecting the sub segmental duct of parotid gland (blue arrow) extending along pre-tragus region in subcutaneous plane (green arrow) up to mastoid tip (yellow arrow) after passing inferior to external auditory canal
case_images: AMHSR-4-136-g002.jpg
case_images: PMC3952286_01_AMHSR-4-136-g002.jpg
case_images: F2
case_images: Superficial parotidectomy via an S-shaped incision with excision of the tract. The tract (yellow and blue arrows) ending into the parotid gland is seen superficial to the branches of the facial nerve (green arrows)
case_images: AMHSR-4-136-g003.jpg
case_images: PMC3952286_01_AMHSR-4-136-g003.jpg
case_images: F3
case_images: The tract was superficial to the branches of the facial nerve and ended into the parotid gland [Figure 3].
case_images: Histopathology (H and E, x4) showing sinus tract (red arrow) and acini of parotid gland (green arrow)
case_images: AMHSR-4-136-g004.jpg
case_images: PMC3952286_01_AMHSR-4-136-g004.jpg
case_images: F4
case_images: Histopathology revealed sinus tract comprising of ectodermal components and acini of the parotid gland [Figure 4].