NBME 18 Contraction (NBME Answers)

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Retired NBME 18 Answers

nbme18/Block 3/Question#34 (reveal difficulty score)
52 yo woman with breast cancer
Contraction 🔍 / 📺 / 🌳 / 📖
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submitted by ∗lae(33)

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the radiation therapy caused fibrosis and the myofibroblasts "contract" during fibrosis, causing the closure of airways and thus atelectasis

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hello Adding part of @plummervinson's comment: Contraction atelecrasis occurs due to radiation therapy, necrotizing pneumonia, or granulomatous disease +1

caitlyncloy fa 19- 666 +2

leaf_house FA2020 - p680 +

gabriellerenai additionally - resorption = obstruction so can cancel those two out automatically! https://radiopaedia.org/articles/resorptive-obstructive-atelectasis +

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submitted by plummervinson(4)

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Contraction atelectasis occurs when local or generalized fibrotic changes in the lung leads to collapsed alveoli. It can an occur after radiation therapy, necrotizing pneumonia, or granulomatous disease

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mumenrider4ever https://en.wikipedia.org/wiki/Atelectasis#Classification +1

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submitted by ∗shak360(20)

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See this question in NBME 25.

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