正子攝影報告判讀：輕微鼻咽和上頸節點病變，可能是炎症或良性淋巴增生-核子醫學科

正子攝影報告判讀？

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醫生您好
上次做的正子攝影報告出來了
有些疑問想問醫生
報告如下
The whole body study revealed increased uptake of radioactivity involving right nasopharynx(suv 3.1, score 1-2) and right upper neck node (suv 2.7 ,score 1-2) .
There was no other abnormal measurable lesion in other parts of the body.
In addition ,subpleural nodule was found by coregistered CT in right middle lung(low-dose, free breathing)without measurable FDG uptake (score 1-2).

Impression
1、Mild focal uptake over right nasopharynx and small upper neck node, more in favor of inflammation or benign lymphoid hyperplasia.
2、Right middle lung subpleural nodule without measurable uptake.post-inflammatory change may show this picture.
3.No other abnormal focal uptake lesion in the scanned range.

Comment :
1.FDG PET scan might demonstrate a false negative resule if tumor size below 0.6 cm or non-FDG-avid.
2.Score 0=normal ;score 1=benign lesion; score 2=equivocal lesion; score 3=possible malignancy ; score 4=high probability of malignancy

看了報告的敘述，感覺是蠻正面的，但是我比較擔心的是，nasopharynx (suv 3.1, score 1-2) and right upper neck node (suv 2.7 ,score 1-2) .
這兩個顯影的suv有點高，查了相關資料，suv<2，良性發炎居多，suv>2.5惡性居多。查了很多資料都是以2.5為基準。
我有詢問過幫我做正子的醫生，他說這樣還算低。
我不知道是我太悲觀，還是醫生太樂觀，還是2.5這個標準根本沒有參考價值(但又幾乎所有的資料都寫2.5)。

字數有點多 再麻煩醫生了

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小陳，30~39歲男性，詢問日期：2021/08/25