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Related Concept Videos

Accessory Structures of the Skin: Sebaceous Glands01:21

Accessory Structures of the Skin: Sebaceous Glands

A sebaceous gland is a type of oil gland found almost all over the skin ( except palms and soles) and helps lubricate and waterproof the skin and hair. Most sebaceous glands are associated with hair follicles. They generate and excrete sebum, a mixture of lipids, onto the skin surface, thereby naturally lubricating the dry and dead layer of keratinized cells of the stratum corneum, keeping it pliable.
These glands that produce the oils on the skin and hair are holocrine glands. The mature...
Acne Infection01:27

Acne Infection

Acne is a multifactorial skin condition primarily affecting adolescents and young adults, with a global prevalence estimated to exceed 75% in this demographic. The condition is characterized by the formation of comedones (blackheads and whiteheads), papules, pustules, nodules, and, in severe cases, cysts, particularly in areas rich in sebaceous glands such as the face, neck, chest, and back. The pathogenesis involves increased sebum production, follicular hyperkeratinization, colonization by...
Muscles of the Forearm that Move the Hand and Fingers01:16

Muscles of the Forearm that Move the Hand and Fingers

The muscles of the forearm that move the wrist, hand, and digits are numerous and diverse. They can be classified into two groups based on their location and function — the anterior and posterior compartment muscles.
Anterior Compartment
The anterior compartment muscles originate from the humerus. They primarily function as flexors and are also known as flexor muscles. They typically insert on the carpals, metacarpals, and phalanges. The superficial layer includes the flexor carpi radialis,...
Papillary Dermis01:11

Papillary Dermis

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 and...
Cells of the Epidermis01:24

Cells of the Epidermis

The epidermis is made of four or five layers of epithelial cells, depending on its location in the body. From deep to superficial, these layers are the stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, and stratum corneum.
The cells in all these layers except the stratum basale are called keratinocytes, a type of cell that manufactures and stores the protein keratin. The keratinocytes in the stratum corneum are dead and regularly slough away, being replaced by cells from...
Skin Cancer01:30

Skin Cancer

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...

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Related Experiment Videos

Epidermoid cysts in the hand.

C J Lincoski1, D C Bush, S J Millon

  • 1Department of Orthopedic Surgery, Geisinger Medical Center, Danville, PA, USA. clincosk@gmail.com

The Journal of Hand Surgery, European Volume
|September 30, 2009
PubMed
Summary
This summary is machine-generated.

Epidermoid cysts are common hand tumors, primarily affecting males on the palm. Marginal excision resulted in an 11% recurrence rate for these hand cysts.

Related Experiment Videos

Area of Science:

  • Hand surgery
  • Orthopedic oncology
  • Dermatopathology

Background:

  • Epidermoid cysts are benign tumors that can occur in various locations, including the hand.
  • Understanding their incidence, characteristics, and recurrence patterns is crucial for effective management.
  • Previous studies have provided insights, but a comprehensive analysis of a large hand cyst series is valuable.

Purpose of the Study:

  • To characterize the incidence and clinical features of epidermoid cysts in the hand.
  • To determine the recurrence rate of epidermoid cysts following marginal excision.
  • To analyze factors influencing epidermoid cyst presentation and outcomes in the hand.

Main Methods:

  • A retrospective review of 101 epidermoid cysts excised from the hand over 27 years.
  • Data collected included patient demographics, cyst location (soft tissue vs. intraosseous), history of trauma, and treatment complications.
  • Recurrence rates after marginal excision were specifically analyzed.

Main Results:

  • Epidermoid cysts constitute a significant proportion of hand tumors in this series.
  • The majority of cysts occurred in male patients, predominantly in the soft tissues of the palm.
  • Intraosseous epidermoid cysts accounted for 4% of cases, and 11% of all excised cysts recurred after marginal excision.

Conclusions:

  • Epidermoid cysts are a notable entity in hand surgery, with a predilection for males and palmar soft tissues.
  • Marginal excision, while effective for many, is associated with an 11% recurrence rate.
  • Further investigation into risk factors for recurrence and optimal surgical techniques may be warranted.