# \#lung

**URL:** https://discourse.slicer.org/tag/lung/437.md

[Latest](https://discourse.slicer.org/latest.md) · [Categories](https://discourse.slicer.org/categories.md) · [Tags](https://discourse.slicer.org/tags.md)

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## [Measuring diameter of mouse lung airway](https://discourse.slicer.org/t/measuring-diameter-of-mouse-lung-airway/47396)

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**Author:** [@ljuno](https://discourse.slicer.org/u/ljuno)\
**Replies:** 5\
**Last updated:** [June 22, 2026, 4:31pm UTC](https://discourse.slicer.org/t/measuring-diameter-of-mouse-lung-airway/47396 "2026-06-22T16:31:37Z")

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Hi all, I have created this segmentation of part of the airways of a mouse lung. The images were generated from lightsheet microscopy and I used various tools to segment them - thresholding, painting, etc. I eventually …

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## [Airway segmentation of mouse lung](https://discourse.slicer.org/t/airway-segmentation-of-mouse-lung/47320)

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**Author:** [@ljuno](https://discourse.slicer.org/u/ljuno)\
**Replies:** 4\
**Last updated:** [June 13, 2026, 4:40pm UTC](https://discourse.slicer.org/t/airway-segmentation-of-mouse-lung/47320 "2026-06-13T16:40:18Z")

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Hello, I am working with 3D slicer in hopes to segment the airway of this mouse lung, acquired from lightsheet microscopy. I would like to segment the main airways, but not the alveoli (at least not yet - I am hoping to…

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## [How do I "turn inside out" an model?](https://discourse.slicer.org/t/how-do-i-turn-inside-out-an-model/44802)

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**Author:** [@eNable\_Polska](https://discourse.slicer.org/u/eNable_Polska)\
**Replies:** 7\
**Last updated:** [October 23, 2025, 6:36pm UTC](https://discourse.slicer.org/t/how-do-i-turn-inside-out-an-model/44802 "2025-10-23T18:36:28Z")

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I’m tasked with creating a model of the airways, down to the smallest possible viewing distance. The initial study is an HRCT of the lungs. I used the “Lung CT Segmenter” tool with the “Airway segmentation,” “Use AI,” an…

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## [Lung Vessels module](https://discourse.slicer.org/t/lung-vessels-module/15415)

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**Author:** [@sergiGB](https://discourse.slicer.org/u/sergiGB)\
**Replies:** 12\
**Last updated:** [May 6, 2025, 12:15pm UTC](https://discourse.slicer.org/t/lung-vessels-module/15415 "2025-05-06T12:15:50Z")

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how can I get lung vessels? i want to get lung vessels without lung body Thanks !

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## [Segment lungs, airways, pulmonary vessels](https://discourse.slicer.org/t/segment-lungs-airways-pulmonary-vessels/34570)

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**Author:** [@Giulia\_Gamberini](https://discourse.slicer.org/u/Giulia_Gamberini)\
**Replies:** 3\
**Last updated:** [November 24, 2024, 9:15pm UTC](https://discourse.slicer.org/t/segment-lungs-airways-pulmonary-vessels/34570 "2024-11-24T21:15:00Z")

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Dear all, I am trying to segment lungs, airways and both pulmonary vein and artery. Could you please list the procedure you follow to obtain this results? Many thanks

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## [Lung CT analyzer - error message](https://discourse.slicer.org/t/lung-ct-analyzer-error-message/40348)

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**Author:** [@sira](https://discourse.slicer.org/u/sira)\
**Replies:** 1\
**Last updated:** [November 23, 2024, 6:17pm UTC](https://discourse.slicer.org/t/lung-ct-analyzer-error-message/40348 "2024-11-23T18:17:48Z")

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please help to solve this message!

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## [LungCTAnalyzer for pneumonia + pleural effusion cases](https://discourse.slicer.org/t/lungctanalyzer-for-pneumonia-pleural-effusion-cases/38490)

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**Author:** [@Daniel\_Lo](https://discourse.slicer.org/u/Daniel_Lo)\
**Replies:** 2\
**Last updated:** [October 25, 2024, 1:16pm UTC](https://discourse.slicer.org/t/lungctanalyzer-for-pneumonia-pleural-effusion-cases/38490 "2024-10-25T13:16:49Z")

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Hi, i would like to ask how does it work with pneumonia + pleural effusion cases ?

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## [Lung tumor segmentation and feature extraction using pyradiomics and python](https://discourse.slicer.org/t/lung-tumor-segmentation-and-feature-extraction-using-pyradiomics-and-python/29963)

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**Author:** [@Ridwanur\_Rahman](https://discourse.slicer.org/u/Ridwanur_Rahman)\
**Replies:** 2\
**Last updated:** [October 16, 2024, 7:16pm UTC](https://discourse.slicer.org/t/lung-tumor-segmentation-and-feature-extraction-using-pyradiomics-and-python/29963 "2024-10-16T19:16:46Z")

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Hello Altruists, I’m doing a project on tumor segmentation of the lung. I’ve got only the Dicom images. My job is the find the ROI to segment only the tumor part and extract features using pyradiomics, later run ML mode…

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## [3D Slicer and lungcaner](https://discourse.slicer.org/t/3d-slicer-and-lungcaner/38520)

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**Author:** [@Chris3D](https://discourse.slicer.org/u/Chris3D)\
**Replies:** 1\
**Last updated:** [September 30, 2024, 1:54pm UTC](https://discourse.slicer.org/t/3d-slicer-and-lungcaner/38520 "2024-09-30T13:54:35Z")

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Hello everyone, i am new to 3d Slicer and am very excited after i am digging deeper into it. And i have a question if there is already an extension for the following purpose: I have often the problem, when i get new C…

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## [Lung volume measurement](https://discourse.slicer.org/t/lung-volume-measurement/38489)

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**Author:** [@Arash1](https://discourse.slicer.org/u/Arash1)\
**Replies:** 6\
**Last updated:** [September 25, 2024, 10:48pm UTC](https://discourse.slicer.org/t/lung-volume-measurement/38489 "2024-09-25T22:48:10Z")

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Hello I wanted to use the LungCTAnalyzer for lung volume measurement. I followed the instructions provided on Github, but when I reviewed the results, the lung volume, and a few other values seemed wrong. On the Lo…

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## [Lung lobe input segment is missing](https://discourse.slicer.org/t/lung-lobe-input-segment-is-missing/38540)

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**Author:** [@Daniel\_Lo](https://discourse.slicer.org/u/Daniel_Lo)\
**Replies:** 4\
**Last updated:** [September 25, 2024, 8:09pm UTC](https://discourse.slicer.org/t/lung-lobe-input-segment-is-missing/38540 "2024-09-25T20:09:08Z")

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how to solve this ? i was using AI mode how to solve GPU issue with macos system, is this model only linked to pytorchCUDA?

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## [The lung threshold created by labelmap using parenchymal analysis](https://discourse.slicer.org/t/the-lung-threshold-created-by-labelmap-using-parenchymal-analysis/38527)

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**Author:** [@handicapped71498](https://discourse.slicer.org/u/handicapped71498)\
**Replies:** 0\
**Last updated:** [September 25, 2024, 12:55am UTC](https://discourse.slicer.org/t/the-lung-threshold-created-by-labelmap-using-parenchymal-analysis/38527 "2024-09-25T00:55:17Z")

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The parenchymal analysis automatically performs a label map of the lungs. How is the threshold set for the lungs in these automatic settings? (-200 HU to -1024 HU? by past report)

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## [Sublobar pulmonary reconstruction](https://discourse.slicer.org/t/sublobar-pulmonary-reconstruction/31624)

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**Author:** [@JawnyP](https://discourse.slicer.org/u/JawnyP)\
**Replies:** 2\
**Last updated:** [May 6, 2024, 4:33pm UTC](https://discourse.slicer.org/t/sublobar-pulmonary-reconstruction/31624 "2024-05-06T16:33:32Z")

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Hi, I‘m quiet new to 3D Slicer and am looking for a way to create 3D reconstructions of pulmonary segments to be used in preoperative planing for sublobar resections. Can anyone here help get closer to this goal? Since…

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## [Lung deformable image registration](https://discourse.slicer.org/t/lung-deformable-image-registration/35627)

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**Author:** [@Wpy\_K](https://discourse.slicer.org/u/Wpy_K)\
**Replies:** 2\
**Last updated:** [April 22, 2024, 6:11am UTC](https://discourse.slicer.org/t/lung-deformable-image-registration/35627 "2024-04-22T06:11:16Z")

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Hi everyone, I’m a Medical physics student, I’m new for using 3DSlicer. I has problem that I want to deformable image (DIR) organ at risk nearby lung for check about breathing motion effected to other organ nearby lung,…

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## [Lung cancer segmentation ](https://discourse.slicer.org/t/lung-cancer-segmentation/35464)

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**Author:** [@salma\_el](https://discourse.slicer.org/u/salma_el)\
**Replies:** 0\
**Last updated:** [April 12, 2024, 10:08pm UTC](https://discourse.slicer.org/t/lung-cancer-segmentation/35464 "2024-04-12T22:08:52Z")

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Hi, I am working on a radiomic study, and I really need an automatic extension for lung cancer segmentation. I tried manual segmentation, but it takes a lot of time, and it’s not robust. I need answers as soon as possibl…

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## [VMTK Inlet and Outlet Point Creation](https://discourse.slicer.org/t/vmtk-inlet-and-outlet-point-creation/35338)

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**Author:** [@THartman](https://discourse.slicer.org/u/THartman)\
**Replies:** 6\
**Last updated:** [April 10, 2024, 10:09pm UTC](https://discourse.slicer.org/t/vmtk-inlet-and-outlet-point-creation/35338 "2024-04-10T22:09:08Z")

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I’m currently building an extension that uses VMTK to extract the centerlines of vessel trees in the lungs, and am looking to speed it up by adding some preprocessing to determine the inlet and outlet points of the blood…

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## [Using MONAI label to fine tune the vessel segmentation](https://discourse.slicer.org/t/using-monai-label-to-fine-tune-the-vessel-segmentation/34869)

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**Author:** [@klc](https://discourse.slicer.org/u/klc)\
**Replies:** 6\
**Last updated:** [March 26, 2024, 8:47pm UTC](https://discourse.slicer.org/t/using-monai-label-to-fine-tune-the-vessel-segmentation/34869 "2024-03-26T20:47:21Z")

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Hi, I have acheived robust and satisfactory segmentation result when using lungCTsegmenter before. However, if i use other samples(LIDC-IDRI dataset), most of the results have lung/vessel leaks. Should I use MON…

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## [3d lung vessels model](https://discourse.slicer.org/t/3d-lung-vessels-model/34354)

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**Author:** [@Vikram](https://discourse.slicer.org/u/Vikram)\
**Replies:** 4\
**Last updated:** [March 16, 2024, 11:50am UTC](https://discourse.slicer.org/t/3d-lung-vessels-model/34354 "2024-03-16T11:50:36Z")

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I want to create 3d lung vessels tree model any one can help me please

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## [Lung CT Segmenter now supports 'lungmask' AI for lung and lobe segmentation](https://discourse.slicer.org/t/lung-ct-segmenter-now-supports-lungmask-ai-for-lung-and-lobe-segmentation/25081)

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**Author:** [@rbumm](https://discourse.slicer.org/u/rbumm)\
**Replies:** 30\
**Last updated:** [January 29, 2024, 3:47pm UTC](https://discourse.slicer.org/t/lung-ct-segmenter-now-supports-lungmask-ai-for-lung-and-lobe-segmentation/25081 "2024-01-29T15:47:03Z")

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We have a new “experimental AI” option in Lung CT Segmenter for creating lung and lobe segmentations with minimal effort (one tracheal markup) on the fly. This feature involves Johannes Hofmanningers lungmask with permi…

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## [Lung vessels model](https://discourse.slicer.org/t/lung-vessels-model/34743)

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**Author:** [@Vikram](https://discourse.slicer.org/u/Vikram)\
**Replies:** 5\
**Last updated:** [March 12, 2024, 12:06pm UTC](https://discourse.slicer.org/t/lung-vessels-model/34743 "2024-03-12T12:06:54Z")

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I segmented lung vessels model by using 3d slicer but the problem is that i want to print this model but vessels are connected to each other , what i can do there is any other way to do. please help me struck in my resea…

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## [I can't use the lung lesion analyzer module of CIP](https://discourse.slicer.org/t/i-cant-use-the-lung-lesion-analyzer-module-of-cip/34398)

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**Author:** [@gokcetaniyan](https://discourse.slicer.org/u/gokcetaniyan)\
**Replies:** 3\
**Last updated:** [February 21, 2024, 12:30pm UTC](https://discourse.slicer.org/t/i-cant-use-the-lung-lesion-analyzer-module-of-cip/34398 "2024-02-21T12:30:43Z")

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I want to use the lung lesion analyzer module for lung nodule segmentation and analysis of nodule characteristics. I loaded my lung CT data. Then switched to the lung analyzer module, and put the fiducial on the nodule t…

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## [Elastix Registration 3D CT monomodal lung](https://discourse.slicer.org/t/elastix-registration-3d-ct-monomodal-lung/34394)

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**Author:** [@Alice\_Durante](https://discourse.slicer.org/u/Alice_Durante)\
**Replies:** 4\
**Last updated:** [February 19, 2024, 4:23pm UTC](https://discourse.slicer.org/t/elastix-registration-3d-ct-monomodal-lung/34394 "2024-02-19T16:23:50Z")

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Hello to all I’ve been using the toolbox “registration” of 3d Slicer, especially “elastix”. Trying with a registration with “generic (all)” preset I get a discreet result, but not great. My goal is to get the best possi…

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## [How to highlight lung in viewer?](https://discourse.slicer.org/t/how-to-highlight-lung-in-viewer/33859)

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**Author:** [@cy787](https://discourse.slicer.org/u/cy787)\
**Replies:** 1\
**Last updated:** [January 18, 2024, 8:26pm UTC](https://discourse.slicer.org/t/how-to-highlight-lung-in-viewer/33859 "2024-01-18T20:26:09Z")

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Hi all, Do you know how to highlight the lung? I was able to find some sort of preset setting that I really liked on the left panel, but I haven’t been able to find it since. Thanks!

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## [Lung segmentation with LungCTSegmenter](https://discourse.slicer.org/t/lung-segmentation-with-lungctsegmenter/32704)

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**Author:** [@klc](https://discourse.slicer.org/u/klc)\
**Replies:** 12\
**Last updated:** [December 7, 2023, 12:06pm UTC](https://discourse.slicer.org/t/lung-segmentation-with-lungctsegmenter/32704 "2023-12-07T12:06:48Z")

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@rbumm Dear Prof. Rudolf Bumm, Hi, I am using the LungCTSegmenter to segment the lungs with AIrwaySegmentation, Vessel Segmentation following this video: https://www.youtube.com/watch?v=bw1IaxVkOM4&ab\_channel=medec021 …

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## [Segmentation of large nodule from CT](https://discourse.slicer.org/t/segmentation-of-large-nodule-from-ct/32550)

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**Author:** [@Caterina](https://discourse.slicer.org/u/Caterina)\
**Replies:** 37\
**Last updated:** [December 5, 2023, 3:53pm UTC](https://discourse.slicer.org/t/segmentation-of-large-nodule-from-ct/32550 "2023-12-05T15:53:29Z")

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Good morning, I’m interested in performing segmentation of large nodule from CT dicom images. Is Lung CT Segmenter Module useful to identify large nodule or other abnormalities? Can you please suggest me the better se…

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## [We aren't getting the filtering options to display while using parenchyma analysis package on a few chest CTs.](https://discourse.slicer.org/t/we-arent-getting-the-filtering-options-to-display-while-using-parenchyma-analysis-package-on-a-few-chest-cts/33098)

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**Author:** [@punyasharoul](https://discourse.slicer.org/u/punyasharoul)\
**Replies:** 3\
**Last updated:** [November 29, 2023, 4:49pm UTC](https://discourse.slicer.org/t/we-arent-getting-the-filtering-options-to-display-while-using-parenchyma-analysis-package-on-a-few-chest-cts/33098 "2023-11-29T16:49:46Z")

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Operating system: Windows & MAC Slicer version: 4-10-2 Expected behavior: Filtering on and off should display options. output for attenuation areas should be generated as numbers Actual behavior: We are facing …

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## [LUNGMASK in Lung CT segmenter EOF error](https://discourse.slicer.org/t/lungmask-in-lung-ct-segmenter-eof-error/31605)

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**Author:** [@BM167](https://discourse.slicer.org/u/BM167)\
**Replies:** 2\
**Last updated:** [September 8, 2023, 6:42am UTC](https://discourse.slicer.org/t/lungmask-in-lung-ct-segmenter-eof-error/31605 "2023-09-08T06:42:12Z")

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Lung CT segmenter I am trying to segment lung CT into lobes (Using lung mask LTRC lobes\_231). Using slicer 5.4.0. No matter how many times I reloaded lungmask file, there still seems to be a problem with a corruption o…

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## [Exclude pleural effusion from CT lung segmentation (CT lung analyzer)](https://discourse.slicer.org/t/exclude-pleural-effusion-from-ct-lung-segmentation-ct-lung-analyzer/30506)

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**Author:** [@mikiN](https://discourse.slicer.org/u/mikiN)\
**Replies:** 4\
**Last updated:** [September 6, 2023, 1:29pm UTC](https://discourse.slicer.org/t/exclude-pleural-effusion-from-ct-lung-segmentation-ct-lung-analyzer/30506 "2023-09-06T13:29:19Z")

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Ask a question about lung segmentation. I am performing segmentation for chest CT using lungmask, but inevitably pleural effusion is also segmented together. I am now erasing the pleural fluid with an eraser for each th…

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## [SSL error when Lung CT segmenter is trying to instal light-the-torch](https://discourse.slicer.org/t/ssl-error-when-lung-ct-segmenter-is-trying-to-instal-light-the-torch/28774)

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**Author:** [@wangjianmerci](https://discourse.slicer.org/u/wangjianmerci)\
**Replies:** 10\
**Last updated:** [August 2, 2023, 8:54am UTC](https://discourse.slicer.org/t/ssl-error-when-lung-ct-segmenter-is-trying-to-instal-light-the-torch/28774 "2023-08-02T08:54:45Z")

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Operating system:Windows Slicer version:5.2.2 Hardware：R7-5800H+32G+3060laptop（6G） When I want use AI Lung lobe segmenter in 3dslicer 5.2.2, it asked to install light-the-torch. But error . \[Qt\] ctkSliderWidge…

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## [Obtaining Surface Area from Volume Shape](https://discourse.slicer.org/t/obtaining-surface-area-from-volume-shape/30529)

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**Author:** [@JasonMunoz](https://discourse.slicer.org/u/JasonMunoz)\
**Replies:** 2\
**Last updated:** [July 17, 2023, 8:43pm UTC](https://discourse.slicer.org/t/obtaining-surface-area-from-volume-shape/30529 "2023-07-17T20:43:42Z")

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OS: Windows 11 Version: 3D Slicer 5.2.2 Good morning, I am relatively new to the world of 3D Slicer and had some questions for the use of the program. Obviously, some questions I ask may be very easy to deny/accept be…

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