Use of PET/CT to detect local and regional laryngeal cancer recurrence after surgery

Figures & data

Table 1 Demographic and clinicopathological patient data

Age	Total patients N = 45
Median ± SD	64 ± 10.2
Range	42–79
Site
Supraglottic	10
Glottic	18
Transglottic	17
T classification
T1b	2
T2	14
T3	17
T4	12
N classification
0	27
1	12
2	6
T treatment
SCL	16
SGL	4
TL	24
THP	1
N treatment
None	21
SCL monolateral	12
SCL bilateral	12
Radiotherapy
Yes	13
No	32

Abbreviations: SD, standard deviation; SCL, supracricoid laryngectomy; SGL, supraglottic laryngectomy; TL, total laryngectomy; THP, tracheoioidopexy.

Figure 1 Whole-body fluorodeoxyglucose (FDG)-positron emission tomography (PET)/computed tomography (CT) images showing focal tracer’s uptake (maximum standard uptake value 10,47) located in the right true and false vocal cord. (A) CT image, (B) PET/CT image. The red oval in imaging indicates the lesion.

Table 2 Value of positron emission tomography (PET)-computed tomography (CT) in the diagnosis of primary or nodal laryngeal cancer recurrence

Site of recurrence	Sensitivity (%)	Specificity (%)	Accuracy (%)
Primary tumor	8/8 (100)	14/16 (87.5)	22/24 (91.6)
Nodal	11/11 (100)	10/11 (90)	21/22 (95.4)