Figure 1: Photograph showing a Mass of the Left Parotid

Figure 2: Sonographic scan showed a mass with a hypoechoic pattern, well-defined margins, homogenous echogenicity and acoustic enhancement

Figure 3: Axial and coronal CT scan: Homogenous and well defined mass of the left parotid gland and measuring 44.6 mm × 59.3 mm

Figure 4: Photograph showing the Resected Tumor

Figure 5: Tumor exhibiting cellular and hypocellular areas. The cellular area shows nuclear palisading around the fibrillar cellular processes and myxoid hypocellular area.

Case N

Author

Age (year)

Sex

History

Clinical Presentation

Pre Op Facial
Nerve Function (HB)

Involved Nerve

Postop Facial Nerve Function (HB)

1

Khilnani AK et al. [6]

7

F

1
year

Painless parotid mass

I

Buccal and zygomatic branches of the facial nerve.

Grade III after 3 months

2

Saravakos P et al. [5]

12

M

9
months

Painless mass over the right mandibular angle

I

Mandibular branch of the facial nerve.

Grade II facial weakness that spontaneously resolved after 3 months.

3

Kizil Y
et al [3]

7

M

3
years

Painless preauricular mass

I

Communicating nerve between the marginal mandibular and buccal branches of the facial nerve.

I

4

Kumar BN
et al. [4]

8

F

6
weeks

Hard lump in the left preauricular region.

I

Temporal branch of the facial nerve.

Transient weakness of the temporal branch
I : after 3 months

HB: House–Brackmann; Preop: preoperative; Postop: postoperative; M: male; F: female.
Table 1: Summary of Patients with Pediatric Intraparotid Facial Nerve Schwannoma