肺結節１４

【問題】どこに何がある？

CT_20240520110433_Image053
CT_20240520110433_Image052
CT_20240520110433_Image051
CT_20240520110433_Image050
CT_20240520110433_Image049
CT_20240520110433_Image048
CT_20240520110433_Image047
CT_20240520110433_Image046
CT_20240520110433_Image045
CT_20240520110433_Image044
CT_20240520110433_Image043
CT_20240520110433_Image042
CT_20240520110433_Image041
CT_20240520110433_Image040
CT_20240520110433_Image039
CT_20240520110433_Image038
CT_20240520110433_Image037
CT_20240520110433_Image036
CT_20240520110433_Image035
CT_20240520110433_Image034
CT_20240520110433_Image033
CT_20240520110433_Image032
CT_20240520110433_Image031
CT_20240520110433_Image030
CT_20240520110433_Image029
CT_20240520110433_Image028
CT_20240520110433_Image027
CT_20240520110433_Image026
CT_20240520110433_Image025
CT_20240520110433_Image024
CT_20240520110433_Image023
CT_20240520110433_Image022
CT_20240520110433_Image021
CT_20240520110433_Image020
CT_20240520110433_Image019
CT_20240520110433_Image018
CT_20240520110433_Image017
CT_20240520110433_Image016
CT_20240520110433_Image015
CT_20240520110433_Image014
CT_20240520110433_Image013
CT_20240520110433_Image012
CT_20240520110433_Image011
CT_20240520110433_Image010
CT_20240520110433_Image009
CT_20240520110433_Image008
CT_20240520110433_Image007
CT_20240520110433_Image006
CT_20240520110433_Image005
CT_20240520110433_Image004
CT_20240520110433_Image003
CT_20240520110433_Image002
CT_20240520110433_Image001
 

    ▶答えはこちら

    右S2　8mm

    ▶【Advanced問題】今後のフォローはどのようにするのが適切か？

    Thin Slice画像を見ると、部分充実型（part soid nodule）のように見える。全体径が15mm未満で充実成分が8mm未満のため、3/12/24/26/48/60ヶ月でフォローをしていく。

    2mm以上増大していれば確定診断の対象となるが、縮小や消失していれば検診戻りとなる。

    ※日本CT検診学会　低線量CTによる肺がん検診の肺結節の判定基準と経過観察の考え方 第6版より引用改変