PMC8328740_01
The patient's brain MRI in the T2-weighted sequence. The intracranial mass connected to the sinus tract and opening into the forehead abscess are shown in a (a) sagittal plane and (b) transverse plane.
CRINM2021-9917673.001.jpg
PMC8328740_01_CRINM2021-9917673.001.jpg
fig1
Additionally, the lesion was complicated by the formation of two dermal sinus tracts, with one opening into the forehead and the other into the nasal region (Figure 1).
Gross appearance of the lesion. (a) The cutaneous lesion with a few hair strands on the nasal bridge (white arrow). (b) Intraoperative image showing the sinus tract that was leading to the forehead, being held by the surgical forceps.
CRINM2021-9917673.002.jpg
PMC8328740_01_CRINM2021-9917673.002.jpg
fig2
The frontal mass, overlying the crista galli, was identified with one tract that led to the forehead and another extending to the nasal lesion (Figure 2).