01 August 2022
: Case report 
Intracranially Extended Sinonasal Undifferentiated Carcinoma: A Case Report and Literature Review
Unusual clinical course, Challenging differential diagnosis, Unusual or unexpected effect of treatment, Diagnostic / therapeutic accidents, Rare disease, Educational Purpose (only if useful for a systematic review or synthesis)
Elias Antoniades1ABEF*, Angeliki Cheva2BCF, Jannis Constantinidis3BCD, Evangelia Kalloniati4ABF, Ioannis Patsalas1ABFDOI: 10.12659/AJCR.935876
Am J Case Rep 2022; 23:e935876
Figure 1. (A) CT scan of head with contrast medium axial slice: Infiltration of left frontal lobe. (B) Coronal slice: Impaired endonasal structures due to previous surgeries. Intracranially extended SNUC-perilesional edema. Red arrow: Lesion arising from ethmoidal cells and infiltrating dura matter.