Related Experiment Video
Updated: Jul 13, 2026

15:48
Tracking the Mammary Architectural Features and Detecting Breast Cancer with Magnetic Resonance Diffusion Tensor Imaging
Published on: December 15, 2014
Diffusion restriction in a superficial breast lesion
M Spinhoven1, I Verslegers, M Van Goethem
1Department of Radiology, Antwerp University Hospital (UZA), Wilrijkstraat 10, B-2650 Edegem, Belgium. jeroen_spinhoven@hotmail.com
Summary
This case report highlights how diffusion-weighted MRI (DW-MRI) can help differentiate epidermal inclusion cysts from other breast lesions. DW-MRI showed restricted diffusion, aiding in the diagnosis of a benign epidermal inclusion cyst.
Area of Science:
- Medical Imaging
- Radiology
- Oncology
Background:
- Breast imaging plays a crucial role in differentiating benign from malignant lesions.
- Accurate diagnosis of breast nodules is essential for appropriate patient management.
Observation:
- A 22-year-old woman presented with a movable retro-areolar breast nodule.
- Initial imaging included mammography and ultrasound, with MRI and diffusion-weighted MRI (DW-MRI) performed for further characterization.
Findings:
- High T2 signal intensity confirmed a cystic lesion.
- Diffusion restriction on DW-MRI was observed, consistent with complex or epidermal inclusion cysts.
- Pathological examination confirmed an epidermal inclusion cyst.
Implications:
- DW-MRI can be a valuable tool in the differential diagnosis of breast lesions.
- This technique may help distinguish benign epidermal inclusion cysts from parasitic or malignant entities, potentially reducing unnecessary surgical interventions.
Related Concept Videos
Protein Diffusion in the Membrane
Proteins show rotational as well as lateral diffusion across the membrane. The lateral diffusion of proteins was confirmed through the cell fusion experiment where mouse and human cells were fused, resulting in hybrid cells. When the human and mouse cells fused, the specific membrane proteins on human and mouse cells were marked with the red and green-fluorescent markers, respectively. Initially, the red and green fluorescence was located on the respective hemisphere of the cell. As time...
Diffusion
Diffusion is the passive movement of substances down their concentration gradients—requiring no expenditure of cellular energy. Substances, such as molecules or ions, diffuse from an area of high concentration to an area of low concentration in the cytosol or across membranes. Eventually, the concentration will even out, with the substance moving randomly but causing no net change in concentration. Such a state is called dynamic equilibrium, which is essential for maintaining overall...
Diffusion
Diffusion is a type of passive transport. In passive transport, a substance tends to move from an area of high concentration to an area of low concentration until the concentration is equal across the space. For example, take the diffusion of substances through the air. When someone opens a perfume bottle in a room filled with people, the perfume is at its highest concentration in the bottle and is at its lowest at the edges of the room. The perfume vapor will diffuse, or spread away, from the...
Assessment of Diffusion and Perfusion
Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this principle...
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this principle...

