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Principles of follow-up examination after lung cancer surgery

We usually need to do CT to see if there is a recurrence. It is usually done every 4-6 months after 2 years of surgery. After that, CT is recommended per year.

Here, pulmonary CT examination should inject color or not inject. There are pros and cons. How? Let's see.

1️⃣ CT Non-Contrast CT

Suitable when

• Follow-up routine (routine follow-up)

• Often suitable for screening for lung cancer

• See postoperative fibrosis / scar

• The patient is allergic to radiation or has kidney degeneration.

Advantage

• Short time. No need to refrain from food.

• Safer

• Less time, lower cost

• No effect on kidneys

✅ is usually only seen in lung texture, usually used to track where the lungs or lung tissue do not see lymph nodes.

2️⃣ CT Color Injection (Contrast-Enhanced CT)

Suitable when

• Suspected lymph nodes

• Split surgical lump vs repeated cancer lump

• Evaluate pleura / thoracic wall / blood vessels

• Plan additional surgery or treatment

Look at the progression of intravenous nodules.

Restrictions

• Radiation allergy risk

• Be careful in patients with kidney degeneration... If kidney degeneration, consult a kidney doctor before doing it.

• You must abstain from food for 8 hours.

⏱ Popular frequency (estimated)

• Years 1-2: Every 6 months after surgery

• After that: Once a year

(May adjust according to disease stage and cancer type)

Personally, in my work...

Lung cancer is often seen in old patients, who often have kidney degeneration, and I rarely inject color because patients have a lot of side conditions...

The limitation is that we can only see lung texture and local regional recurrence.

But anyway, in the first case... before lung cancer surgery, we recommend color injection in every case, if not the GGN group (very small chance of distribution).

Since we can see

👉 lymphedema position is better than whether it is distributed.

👉 lump position of doubt?

👉 Doubt is repeated.

That's it, we'll know if the follow-up appointment is color or not.

1/15 Edited to

... Read moreจากประสบการณ์ส่วนตัวที่ได้ติดตามผู้ป่วยหลังการผ่าตัดมะเร็งปอด การตรวจ CT Scan ถือเป็นเครื่องมือสำคัญในการเฝ้าระวังไม่ให้มะเร็งกลับมาอีก โดยเฉพาะในสองปีแรกหลังผ่าตัดที่ความถี่ในการตรวจสูงขึ้นเพื่อตรวจจับการกลับมาเป็นซ้ำได้อย่างรวดเร็ว การเลือกใช้ CT ไม่ฉีดสีหรือฉีดสีขึ้นอยู่กับสภาพผู้ป่วยและความจำเป็นทางคลินิก ในกรณีผู้ป่วยที่มีภาวะไตเสื่อมหรือแพ้สารทึบรังสี การทำ CT แบบไม่ฉีดสีจะเหมาะสมกว่าเพราะปลอดภัยและเป็นมิตรกับร่างกายมากกว่า แม้จะไม่เห็นการกระจายของต่อมน้ำเหลืองได้ชัดเจน แต่ยังเพียงพอต่อการติดตามการเปลี่ยนแปลงในเนื้อปอด ส่วนผู้ป่วยที่สงสัยว่ามีก้อนหรือภาวะผิดปกติในต่อมน้ำเหลือง การฉีดสีในการตรวจ CT จะช่วยให้เห็นรายละเอียดที่ชัดเจนกว่าหลายเท่า และช่วยในการวางแผนการรักษาที่แม่นยำและเหมาะสมมากขึ้น อย่างไรก็ตาม ควรเตรียมตัวงดน้ำงดอาหารก่อนการตรวจเพื่อลดความเสี่ยงและเพิ่มประสิทธิภาพของการตรวจ ในแง่การติดตาม การทำ CT ทุก 4-6 เดือนในสองปีแรกถือว่ามีประโยชน์อย่างมาก และหลังจากนั้นลดเหลือปีละครั้งเพื่อประหยัดค่าใช้จ่ายและลดภาระของผู้ป่วย ทั้งนี้แพทย์อาจปรับตารางตรวจตามความรุนแรงของโรคและประเภทของมะเร็งปอดได้ นอกจากนี้ การให้ความรู้และทำความเข้าใจร่วมกับผู้ป่วยเกี่ยวกับข้อดีข้อเสียของแต่ละวิธีการตรวจ จะช่วยให้ผู้ป่วยมีส่วนร่วมในการตัดสินใจและลดความวิตกกังวลได้มากขึ้น รวมถึงช่วยให้ผู้ป่วยเตรียมตัวและปฏิบัติตัวได้เหมาะสมกับแต่ละครั้งของการตรวจ

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