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Related Concept Videos

Bone Markings01:26

Bone Markings

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Bones have various surface features that help form joints and attach to other soft tissues. Depending on the function, bone markings are categorized into articulating projections, processes for attachment, depressions, and openings.
Articulating Projections
Articulating projections are found where two bones meet to form a joint. These structures are usually found at the ends of bones. The largest articulation is a rounded projection called the head, supported by a narrow neck at the ends of...
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Sampling Plans01:23

Sampling Plans

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Sampling is a crucial step in analytical chemistry, allowing researchers to collect representative data from a large population. Common sampling methods include random, judgmental, systematic, stratified, and cluster sampling.
Random sampling is a method where each member of the population has an equal chance of being selected for the sample. It involves selecting individuals randomly, often using random number generators or lottery-type methods. For example, when analyzing the properties of a...
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Anatomical Positions01:11

Anatomical Positions

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In anatomy, several standard anatomical positions are used as references for describing the position and orientation of different body parts. These positions help provide a common frame of reference when discussing anatomical structures. The anatomical position is the standard reference point for describing the body's position and orientation. In this position:
The body is upright, facing forward, and standing erect.
The feet are parallel and flat on the floor.
The arms are hanging by the...
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Anatomical Terminology01:20

Anatomical Terminology

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Knowledge of anatomy is essential to understand human biology and medicine. Anatomists and health care professionals use standard terminology to describe the human body with more precision and no ambiguity. Anatomical terms have mostly Greek and Latin-derived roots. Because these languages are rarely used in conversation, the meaning of words remains the same. Each term is made up of a root in between the prefixes and suffixes. The root of a term often refers to an organ, tissue, or condition,...
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Anatomical Movements00:51

Anatomical Movements

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Anatomical movements refer to the various actions or motions that can be performed by the body's joints and muscles. These movements are described using specific terms to provide a standardized way of discussing and understanding the range of motion at different joints.
Here are some common anatomical movements:
Flexion and extension motions are in the sagittal (anterior–posterior) plane of motion. These movements take place at the shoulder, hip, elbow, knee, wrist,...
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Design Example: Marking Boundaries of a Site Using a Compass01:12

Design Example: Marking Boundaries of a Site Using a Compass

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Marking site boundaries using a compass is a precise surveying technique that ensures the accuracy of boundary delineation. The process begins by using provided site details, including the bearings and lengths of each boundary line. The initial step involves calculating latitudes and departures for all sides of the site. This computation verifies that the traverse is free of errors, ensuring a closed and accurate boundary.The process starts at a known point, such as Point A, which is often...
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NODRAIN study protocol: a non-interventional, prospective study for evaluating the effectiveness of intraoperative ventilation for the prediction of postoperative air leak in major pulmonary resections by conventional or robotic thoracoscopy.

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Updated: Feb 10, 2026

Author Spotlight: A Non-Intubated Video-Assisted Thoracoscopic Surgery with Multimodal Analgesia and Sevoflurane Inhalation Anesthesia
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Planning and marking for thoracoscopic anatomical segmentectomies.

Agathe Seguin-Givelet1,2, Madalina Grigoroiu1, Emmanuel Brian1

  • 1Thoracic Department, Curie-Montsouris Thorax Institute, Institut Mutualiste Montsouris, Paris, France.

Journal of Thoracic Disease
|May 23, 2018
PubMed
Summary

Thoracoscopic segmentectomy for non-small cell lung cancer (NSCLC) is complex. 3D reconstruction and mapping enhance the safety and reliability of this minimally invasive surgical approach.

Keywords:
Thoracoscopic surgerylung cancerlung reconstructionsegmentectomy

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Area of Science:

  • Thoracic Surgery
  • Surgical Oncology
  • Medical Imaging

Background:

  • Sublobar resection (SLR) for non-small cell lung carcinoma (NSCLC) remains controversial.
  • Thoracoscopic segmentectomy is an increasingly utilized minimally invasive surgical technique for NSCLC.
  • Closed-chest segmentectomy presents significant challenges, including lesion localization, anatomical identification, and oncological margin assessment without tactile feedback.

Purpose of the Study:

  • To highlight the critical role of accurate planning in thoracoscopic segmentectomy.
  • To discuss the utility of 3D reconstruction and mapping techniques in improving the safety and reliability of these procedures.

Main Methods:

  • Review of current challenges in thoracoscopic segmentectomy.
  • Discussion of 3D reconstruction and intraoperative mapping technologies.
  • Emphasis on pre-operative planning and intra-operative navigation.

Main Results:

  • 3D reconstruction allows for precise visualization of tumor location and surrounding vasculature.
  • Intraoperative mapping aids in identifying critical structures and defining intersegmental planes.
  • These techniques facilitate oncological safety margin achievement and preservation of adjacent lung function.

Conclusions:

  • 3D reconstruction and mapping are essential tools for enhancing the safety and reliability of thoracoscopic segmentectomy for NSCLC.
  • Advanced imaging and navigation techniques are crucial for overcoming the complexities of minimally invasive lung cancer surgery.