Related Experiment Video
Updated: Jan 26, 2026
11:09
High-Resolution Cardiac Positron Emission Tomography/Computed Tomography for Small Animals
Published on: December 16, 2022
4.2K
Morphometric Study of Lower End Femur by Using Helical Computed Tomography
Bhanu Awasthi1, Sunil Kumar Raina2, Vivek Negi1
1Department of Orthopaedics, Dr R.P.G.M.C, Tanda, Himachal Pradesh, India.
Indian Journal of Orthopaedics
|April 11, 2019
Summary
This study analyzed knee CT scans in Indian adults, revealing significant sex-based differences in distal femur morphology. These findings are crucial for improving total knee arthroplasty (TKA) implant fit and patient outcomes.
Area of Science:
- Orthopedic surgery
- Radiology
- Anthropometry
Background:
- Prosthesis-bone size mismatch can cause complications in total knee arthroplasty (TKA).
- Understanding ethnic variations in knee morphology is vital for optimizing TKA performance.
- This study focused on the computed tomography (CT) profile of the distal femur in the Indian population.
Purpose of the Study:
- To analyze the computed tomography (CT) morphological profile of the distal femur in the Indian population.
- To identify sex-specific anatomical differences in knee joint dimensions.
- To provide data for improving TKA component design and surgical planning.
Main Methods:
- A descriptive study involving 62 patients with knee osteoarthritis or trauma in rural North-West India.
- Helical CT scans of both knees were performed.
- Data analysis included t-tests using SPSS version 17.0, with P < 0.05 considered significant.
Main Results:
- Male patients exhibited significantly larger mean mediolateral (ML) dimensions (72.74 ± 4.45 mm) compared to females (63.59 ± 2.61 mm).
- Mean anteroposterior (AP) dimensions were significantly higher in males (49.62 ± 3.86 mm) than females (45.11 ± 4.4 mm).
- Mean anterior lateral condylar height (ALCH) was greater in males (17.53 ± 2.72 mm) than females (14.63 ± 3.42 mm).
Conclusions:
- The study underscores the necessity of age- and sex-specific anatomical considerations for TKA components.
- Developing implants tailored to the ethnic-specific features of diverse populations is essential.
- These findings can aid in reducing complications associated with TKA and distal femur fractures.
Related Concept Videos
01:27Imaging Studies III: Computed Tomography
330
DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
330
01:10Computed Tomography
8.1K
Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
8.1K
01:16Bones of the Lower Limb: Femur and Patella
4.9K
The femur is the body's longest and strongest bone spanning the thigh region. Its head articulates with the acetabulum of the hip bone to form the hip joint. A minor indentation on the medial side of the femoral head, called the fovea capitis, serves as the site of attachment for the ligament of the head of the femur. This weak ligament spans the femur and acetabulum and supports the hip joint. The narrowed region below the head is the neck of the femur. The inclination angle between the...
4.9K
01:25Imaging Studies II: Positron Emission Tomography and Scintigraphy
535
Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
Fundamental Principles of PET
Fundamental Principles of PET
535
01:25Design Example: Traverse Angle Computations
319
Traverse angle computations are a critical component of surveying, used to compute the internal angles within a closed traverse. A traverse consists of a series of connected lines forming a closed loop, often used for land boundary delineation or mapping. Calculating the internal angles ensures accuracy in the traverse geometry and is essential for checking survey data integrity.The process begins with known azimuths and bearings of the traverse sides. Internal angles at each vertex are...
319
01:24Area Computation by the Alternative Coordinate Method
592
The alternative coordinate method, also known as the Shoelace Formula, is a technique for determining the area of a traverse using Cartesian coordinates. This method relies on the sequential arrangement of x and y coordinates for each point of the shape, ensuring accuracy and ease of application.In this approach, each corner's x and y coordinates are listed as fractions, with the x-coordinate as the numerator and the y-coordinate as the denominator. These coordinates are arranged sequentially...
592