case_images: PMC8328740_01
case_images: 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.
case_images: CRINM2021-9917673.001.jpg
case_images: PMC8328740_01_CRINM2021-9917673.001.jpg
case_images: fig1
case_images: 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).
case_images: 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.
case_images: CRINM2021-9917673.002.jpg
case_images: PMC8328740_01_CRINM2021-9917673.002.jpg
case_images: fig2
case_images: 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).