๐Ÿฉท Axillary Lymph Node on Ultrasound

Benign vs. Suspicious โ€“ Whatโ€™s the Difference?

๐Ÿ‘ฉโ€โš•๏ธ โ€œ๊ฒจ๋“œ๋ž‘์ด ๋ฆผํ”„์ ˆ์ด ๋ณด์ธ๋Œ€์š”. ๊ดœ์ฐฎ์€ ๊ฑด๊ฐ€์š”?โ€

์ดˆ์ŒํŒŒ์—์„œ ๊ฒจ๋“œ๋ž‘์ด ๋ฆผํ”„์ ˆ์ด ๋ณด์ด๋Š” ๊ฒƒ์€

์•„์ฃผ ํ”ํ•œ ์ผ์ž…๋‹ˆ๋‹ค.

๋Œ€๋ถ€๋ถ„์€

๊ฐ๊ธฐ, ์—ผ์ฆ, ํ”ผ๋ถ€ ์ž๊ทน ๋“ฑ์œผ๋กœ ์ปค์ง„

๋ฐ˜์‘์„ฑ ๋ฆผํ”„์ ˆ(reactive lymph node) ์ž…๋‹ˆ๋‹ค.

ํ•˜์ง€๋งŒ

์ผ๋ถ€๋Š” ์ถ”๊ฐ€ ํ‰๊ฐ€๊ฐ€ ํ•„์š”ํ•œ ๊ฒฝ์šฐ๋„ ์žˆ์Šต๋‹ˆ๋‹ค.

๐Ÿฉบ 1๏ธโƒฃ Benign (Reactive) Lymph Node

โœ” ๊ฐ€์žฅ ํ”ํ•œ ํ˜•ํƒœ

โœ” ๊ฐ์—ผ/์—ผ์ฆ ๋ฐ˜์‘๊ณผ ๊ด€๋ จ

์ดˆ์ŒํŒŒ ํŠน์ง•

  • ํƒ€์›ํ˜• (oval shape)
  • Cortex๊ฐ€ ์–‡์Œ (<3 mm)
  • ์ค‘์‹ฌ๋ถ€ fatty hilum ๋ณด์กด
  • ํ˜ˆ๋ฅ˜๋Š” hilum ์ค‘์‹ฌ
  • ๋Œ€์นญ์ 

๐Ÿ“Œ ๋Œ€๋ถ€๋ถ„ ์ถ”์  ๋ถˆํ•„์š”

๐Ÿฉบ 2๏ธโƒฃ Suspicious Lymph Node

โœ” ์ „์ด ๊ฐ€๋Šฅ์„ฑ ๊ณ ๋ ค

โœ” ํ˜•ํƒœ ๋ณ€ํ™”๊ฐ€ ์ค‘์š”

์ดˆ์ŒํŒŒ ํŠน์ง•

  • Round shape
  • Cortex ๋น„ํ›„ (>3 mm, ํŠนํžˆ eccentric thickening)
  • Fatty hilum ์†Œ์‹ค
  • ๋‚ด๋ถ€ ํ˜ˆ๋ฅ˜๊ฐ€ cortex ์ชฝ์— ๋ถ„ํฌ
  • ๋น„๋Œ€์นญ์ 

๐Ÿ“Œ BI-RADS 4 ๊ฐ€๋Šฅ

๐Ÿ“Œ ์กฐ์ง๊ฒ€์‚ฌ ๊ณ ๋ ค

๐ŸŒฟ ํ•œ๋ˆˆ์— ๋น„๊ต

๊ตฌ๋ถ„Benign LNSuspicious LN
๋ชจ์–‘OvalRound
Cortex์–‡์Œ๋‘๊บผ์›€
Hilum์œ ์ง€์†Œ์‹ค๊ฐ€๋Šฅ
ํ˜ˆ๋ฅ˜์ค‘์•™(hilar)์ฃผ๋ณ€(cortical)
์กฐ์น˜๊ด€์ฐฐ์ถ”๊ฐ€ํ‰๊ฐ€

โ“ ํ™˜์ž ์ž…์žฅ์—์„œ ๊ธฐ์–ตํ•  ์ 

๋ฆผํ”„์ ˆ์ด ๋ณด์ธ๋‹ค๊ณ  ํ•ด์„œ

๊ณง๋ฐ”๋กœ ์•”์„ ์˜๋ฏธํ•˜์ง€๋Š” ์•Š์Šต๋‹ˆ๋‹ค.

์ค‘์š”ํ•œ ๊ฒƒ์€:

โœ” ๋ชจ์–‘

โœ” ํ”ผ์งˆ ๋‘๊ป˜

โœ” hilum ์œ ์ง€ ์—ฌ๋ถ€

โœ” ํ˜ˆ๋ฅ˜ ํŒจํ„ด

์ด ๋„ค ๊ฐ€์ง€์ž…๋‹ˆ๋‹ค.

๐ŸŒฑ Clinical Insight

Cortical thickness and preservation of fatty hilum are the most reliable indicators when differentiating benign from suspicious lymph nodes.

๐ŸŒ English Summary

Benign axillary lymph nodes typically appear oval with preserved fatty hilum and thin cortex.

Suspicious nodes may demonstrate round morphology, cortical thickening, loss of fatty hilum, and abnormal peripheral vascularity.

Assessment of morphology is more important than size alone.

๊ธ€์“ด์ด

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I share practical fetal ultrasound knowledge based on real clinical experience.