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Egyptian Journal of Radiology and Nuclear Medicine
Fig. 5 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 5

From: Assessment of head and neck-imaging reporting and data system using fluro-deoxy-glucose-positron emission tomography/computerized tomography scan imaging of recurrence of head and neck tumors

Fig. 5

A male patient 52 year-old, a known case of undifferentiated carcinoma metastatic to the left cervical LNs, diagnosed in April 2012, underwent chemotherapy till March 2013 with disease remission as evidenced by PET/CT done outside our institution on 12/03/2013. In April 2014, he developed a nasopharyngeal soft tissue mass lesion, biopsy showed poorly differentiated keratinizing SCC; accordingly, he was subjected to chemo and radiotherapy. PET/CT done in 2021 showed (A) Axial CT image, (B) Axial PET/CT image showed no scintigraphic evidence of any foci of increased tracer utilization at the head and neck region, denoting total resolution of the tumor after CRT. According to NI-RADS Template, its score is NI-RADS (I). No biopsy was done (not indicated). Follow-up PET/CT was advisable

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