The double massa intermedia
Serhat Baydin1, Abuzer Gungor1, Oguz Baran1
1Department of Neurosurgery, College of Medicine, University of Florida, Gainesville, Florida, USA.
Surgical Neurology International
|April 30, 2016
Summary
A rare double massa intermedia (interthalamic adhesion) was found, presenting as a second bridge connecting the thalami. This anatomical variation is crucial for surgeons to recognize during third ventricle procedures.
Area of Science:
- Neuroanatomy
- Surgical Anatomy
Background:
- The massa intermedia (MI), or interthalamic adhesion, is typically a single midline bridge of gray matter connecting the thalami.
- Variations in brain anatomy can impact surgical approaches and outcomes.
Purpose of the Study:
- To document and describe the rare occurrence of a double massa intermedia.
- To highlight the anatomical significance of this variation in the context of third ventricle surgery.
Main Methods:
- Examination of twelve human third ventricles using fiber dissection microscopy (×6–×40 magnification).
- Endoscopic visualization was employed to confirm anatomical findings.
- Systematic dissection from superior to inferior to identify key structures like the anterior and posterior commissures.
Main Results:
- The massa intermedia was identified in all examined hemispheres.
- A rare instance of a double massa intermedia was observed in one hemisphere, located posteroinferior to the typical MI.
- Endoscopic examination confirmed the presence of the second MI, adding a crucial layer of verification.
Conclusions:
- The massa intermedia serves as a vital landmark in endoscopic and microscopic surgeries of the third ventricle.
- Awareness of the potential for a double massa intermedia is essential for surgical planning and to prevent intraoperative confusion.
More Related Videos
Related Concept Videos
01:19Mass and Weight
16.2K
Mass and weight are often used interchangeably in everyday conversation. For example, medical records often show our weight in kilograms, but never in the correct units of newtons. In physics, however, there is an important distinction. Weight is the pull of the Earth on an object. It depends on the distance from the center of the Earth. Weight dramatically varies if we leave the Earth's surface, unlike mass, which does not vary with location. On the Moon, for example, the...
16.2K
01:19Mass and Weight
1.4K
1.4K
01:03Center of Mass: Introduction
22.4K
Any object that obeys Newton's second law of motion is made up of a large number of infinitesimally small particles. Objects in motion can be as simple as atoms or as complex as gymnasts performing in the Olympics. The motion of such objects is described about a point called the center of mass of the object. The center of mass of an object is a point that acts as if the whole mass is concentrated at that point. The center of mass of an object with a large number of infinitesimally small...
22.4K
01:14Gravitation Between Spherically Symmetric Masses
1.5K
The gravitational potential energy between two spherically symmetric bodies can be calculated from the masses and the distance between the bodies, assuming that the center of mass is concentrated at the respective centers of the bodies.
1.5K
01:10Mass Moment of Inertia
1.7K
The mass moment of inertia is a measure of the resistance of a rigid body to angular acceleration. This physical quantity can be evaluated and analyzed in various rotational motions, from everyday objects such as fans and wind turbines to complex machines used in challenging industries.
Consider a differential mass element on an arbitrary object. The differential moment of inertia can be calculated by multiplying the mass of the element by the square of its distance from the object's rotational...
Consider a differential mass element on an arbitrary object. The differential moment of inertia can be calculated by multiplying the mass of the element by the square of its distance from the object's rotational...
1.7K
01:25Muscles of the Thorax
4.0K
The thorax muscles are central to the body's respiration and provide essential support and movement for the upper body. They are intricately designed to facilitate the complex breathing process while also contributing to the structural integrity and mobility of the chest and upper limbs.
The diaphragm is at the core of thoracic musculature, the primary muscle involved in breathing. This expansive, dome-shaped muscle marks the division between the thoracic and abdominal cavities. It...
The diaphragm is at the core of thoracic musculature, the primary muscle involved in breathing. This expansive, dome-shaped muscle marks the division between the thoracic and abdominal cavities. It...
4.0K