Table 1: Review of the relevant literature.

Study

Symptoms

CT findings

MRI findings

Bone erosion

Aetiology

Kang et al. (2008) [30

Hemifacial pain, headache, toothache

Lesion in the right sphenoid sinus that extended to the right infratemporal and pterygopalatine fossae.

Hyperintense on both T1- and T2-weighted images

A high T1 and low T2 nodule was seen at the inferior portion of the mass lesion

Yes

Primary

Coexistent aspergillosis was not considered as a causative factor by the authors

Hwang et al. (2009) [4]

Compressive optic neuropathy

Not reported/performed

Hyperintense on both T1- and T2-weighted images

Yes

Primary

Neyt et al. (2009) [5]

Intermittent headache

Opacification of the sphenoid sinus

Not reported/performed

Not reported

Primary

Ahmed et al. (2012) [6]

Compressive optic neuropathy and headache

Not reported/performed

Hyperintense on T1-weighted and isointense on the T2-weighted image with hypointense areas

Yes

Primary

Kim et al. (2015) [7]

(two cases)

Light-headedness

Non-enhancing, expansile lesion with soft tissue density

T1 hypo-intensity and heterogeneous T2 hyper-intensity

Yes

Primary

Compressive optic neuropathy

Not reported/performed

Hypo-intensity on T1 and high signal intensity on T2 weighted images

Yes

Primary

Present study

Headaches and convergence insufficiency

Hyperdense lesion situated on the upper and posterior wall of the sphenoid sinus and upper half of clivus.

Hyperintense on both T1- and T2-weighted images

Yes

Late FESS complication

CT: Computerized Tomography; MRI: Magnetic Resonance Imaging; FESS: Functional Endoscopic Sinus Surgery.