Related Experiment Video
Updated: Feb 27, 2026

05:46
Introduction of Intracapsular Rotary-cut Procedures IRCP: A Modified Hysteromyomectomy Procedures Facilitating Fertility Preservation
Published on: January 17, 2019
10.7K
Pilomatrixoma located on the cruris: an uncommon localization
Ismail Burak Atalay1, Izzet Korkmaz1, Safak Gungor1
1Ankara Oncology Training and Research Hospital, Department of Orthopaedics and Traumatology, Ankara, Turkey.
Journal of Surgical Case Reports
|July 11, 2017
Summary
Pilomatrixoma, a benign hair follicle tumor, typically affects the head and neck. This case highlights an extremely rare instance of pilomatrixoma occurring on the left leg of a 10-year-old boy.
Area of Science:
- Dermatology
- Oncology
- Pathology
Background:
- Pilomatrixoma is a benign neoplasm originating from the hair follicle matrix.
- Most commonly observed in the head and neck region.
- Rarely presents in the extremities.
Observation:
- A case study of a 10-year-old boy.
- Presentation of a pilomatrixoma on the left leg.
- This location is exceptionally uncommon for pilomatrixoma.
Findings:
- Confirms pilomatrixoma as a benign tumor of hair follicle matrix cells.
- Documents an extremely rare presentation of pilomatrixoma on the lower extremity.
- Highlights the importance of considering rare presentations in pediatric oncology.
Implications:
- Expands the known anatomical distribution of pilomatrixoma.
- May influence diagnostic considerations for pediatric leg masses.
- Contributes to the understanding of rare tumor localization in children.
Related Concept Videos
Uterus and Cervix
6.1K
The uterus, commonly called the womb, is a vital reproductive organ in females designed to provide a nurturing environment for the implantation and growth of an embryo. It is shaped like a hollow pear and positioned between the urinary bladder and the rectum. The uterus's structure allows it to support and protect a developing fetus throughout pregnancy.
The uterus is securely anchored within the pelvic cavity by paired broad ligaments on either side. It is further stabilized by three pairs...
The uterus is securely anchored within the pelvic cavity by paired broad ligaments on either side. It is further stabilized by three pairs...
6.1K
Papillary Dermis
6.3K
Dermis
The dermis might be considered the "core" of the integumentary system, as distinct from the epidermis and hypodermis. It contains blood and lymph vessels, nerves, and other structures, such as hair follicles and sweat glands. The dermis is made of two layers of connective tissue that comprise an interconnected mesh of elastin and collagenous fibers, produced by fibroblasts.
Papillary Layer
The papillary layer is made of loose, areolar connective tissue, which means the collagen...
The dermis might be considered the "core" of the integumentary system, as distinct from the epidermis and hypodermis. It contains blood and lymph vessels, nerves, and other structures, such as hair follicles and sweat glands. The dermis is made of two layers of connective tissue that comprise an interconnected mesh of elastin and collagenous fibers, produced by fibroblasts.
Papillary Layer
The papillary layer is made of loose, areolar connective tissue, which means the collagen...
6.3K
Skin Cancer
6.4K
Skin cancer is a type of cancer that occurs when there is an abnormal growth of skin cells, usually triggered by damage to the DNA within the skin cells. It is primarily caused by exposure to ultraviolet (UV) radiation from the sun or artificial sources like tanning beds. Skin cancer is the most common type of cancer worldwide, and its incidence continues to rise.
Basal Cell Carcinoma (BCC): BCC is the most common type of skin cancer, accounting for about 80% of cases. It typically develops in...
Basal Cell Carcinoma (BCC): BCC is the most common type of skin cancer, accounting for about 80% of cases. It typically develops in...
6.4K
Peritoneum
10.4K
The peritoneum is a vital membrane that lines the abdominal cavity and covers most of the organs within it. It plays a crucial role in protecting the organs, providing a smooth surface for their movement, and facilitating various physiological processes. Understanding the anatomy and function of the peritoneum is essential for comprehending the complexities of the abdominal region.
Anatomy of the Peritoneum
The peritoneum is divided into two layers: the parietal peritoneum and the visceral...
Anatomy of the Peritoneum
The peritoneum is divided into two layers: the parietal peritoneum and the visceral...
10.4K
Abdominal Regions and Quadrants
18.6K
To promote clear communication, for instance, about the location of a patient's abdominal pain or a suspicious mass, anatomists and clinicians typically use imaginary lines to categorize the abdominopelvic cavity into either four quadrants or nine regions to identify organs in the cavity.
The simpler quadrants approach, which is more commonly used in medicine, subdivides the cavity with one horizontal and one vertical line that intersects at the patient's umbilicus (navel). The four...
The simpler quadrants approach, which is more commonly used in medicine, subdivides the cavity with one horizontal and one vertical line that intersects at the patient's umbilicus (navel). The four...
18.6K
Cancer Cell Migration through Invadopodia
3.4K
Invadosome is a broad category of cell surface structures with proteolytic activity that degrades the extracellular matrix (ECM). Invadosomes are present in normal cell types, including macrophages, endothelial cells, and neurons, as well as tumor cells. Although the macrophage podosomes and tumor cell invadopodia are classified as invadosomes, they have different structures, molecular pathways, and functions. Podosomes are short structures that last for a few minutes. However,...
3.4K

