Research Article

Quantitative Scintigraphy Evaluated the Relationship between 131I Therapy and Salivary Glands Function in DTC Patients: A Retrospective Analysis

Table 5

The number of salivary gland injuries before the last three treatments compared with the first treatment.

Scintigraphic parametersMaleFemale
DamageFirstSecondFirstThirdFirstFourthFirstSecondFirstThirdFirstFourth

RPHurt8 (6.5%)8 (6.5%)1.0008 (6.5%)8 (25.8%)0.0058 (6.5%)2 (33.3%)0.06917 (5.1%)16 (5.1%)0.85917 (5.1%)29 (33%)0.00117 (5.1%)5 (62.5%)0.001
No hurt115 (93.5%)115 (93.5%)115 (93.5%)23 (74.2%)115 (93.5%)4 (66.7%)318 (94.9%)319 (94.9%)318 (94.9%)59 (67%)318 (94.9%)3 (37.5%)

LPHurt5 (4.1%)9 (7.3%)0.2715 (4.1%)7 (22.6%)0.0035 (4.1%)3 (50%)0.00325 (7.5%)23 (6.9%)0.88125 (7.5%)24 (27.3%)0.00125 (7.5%)2 (25%)0.125
No hurt118 (95.9%)114 (92.7%)118 (95.9%)24 (87.4%)118 (95.9%)3 (50%)310 (92.5%)312 (93.1%)310 (92.5%)64 (72.7%)310 (92.5%)6 (75%)

RSHurt12 (9.8%)19 (15.4%)0.17912 (9.%)8 (25.8%)0.03212 (9.8%)2 (33.3%)0.12844 (13.1%)48 (14.3%)0.65344 (13.1%)36 (40.9%)0.00144 (13.1%)2 (25%)0.292
No hurt111 (90.2%)104 (84.6%)111 (90.2%)23 (74.2%)111 (90.2%)4 (66.7%)291 (86.9%)287 (85.7%)291 (86.9%)52 (59.1%)291 (86.9%)6 (75%)

LSHurt11 (8.9%)22 (17.9%)0.04011 (8.9%)8 (25.8%)0.02711 (8.9%)2 (33.3%)0.11257 (17%)62 (18.5%)0.61357 (17%)39 (44.3%)0.00157 (17%)4 (50%)0.036
No hurt112 (91.1%)101 (82.1%)112 (91.1%)23 (74.2%)112 (91.1%)4 (66.7%)278 (83%)273 (81.5%)278 (83%)49 (55.7%)278 (83%)4 (50%)

The sequence number of examinations before treatments. Expressed as number of cases (values of number of cases/total cases of this examination before treatments ×  100%). RP: Right parotid; LP: Left parotid; RS: Right submandibular; LS: Left submandibular.