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Related Concept Videos

Cellular Adaptation III: Hyperplasia01:26

Cellular Adaptation III: Hyperplasia

Hyperplasia is an increase in the number of cells in a tissue or organ due to enhanced cell division. It is an adaptive, controlled response to stimuli such as injury, hormones, or stress, involving mitosis to produce genetically identical cells and support tissue repair and regeneration.Tissue CapacityCertain tissues, including the epidermis, intestinal epithelium, bone marrow, and fibroblasts, have a high potential for hyperplasia. Others, such as bone, cartilage, and smooth muscle, show...
Abnormal Proliferation02:23

Abnormal Proliferation

Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the daughter...
Abnormal Proliferation02:23

Abnormal Proliferation

Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the daughter...
Disorders of the Male Reproductive System01:20

Disorders of the Male Reproductive System

Men's health issues are increasingly recognized as significant, with several conditions posing common threats. Among these, testicular cancer is especially prevalent in younger men, particularly those aged 20 to 35 years. The disease often manifests as a painless mass in the testicles, sometimes accompanied by a sensation of heaviness or a dull ache.
Prostate disorders are another major concern. These conditions can impair urinary flow due to the prostate's location around the urethra. Symptoms...
Cellular Adaptation IV: Dysplasia and Metaplasia01:24

Cellular Adaptation IV: Dysplasia and Metaplasia

DysplasiaDysplasia refers to abnormal changes in the size, shape, and organization of mature cells, characterized by pleomorphism, nuclear abnormalities, and increased mitotic activity. It commonly affects epithelial tissues, including the cervix, gastrointestinal tract, respiratory mucosa, and endometrium. Although it may occur alongside hyperplasia, dysplasia is not a true adaptive response but a preneoplastic change with potential to progress to cancer.When confined above the basement...
Accessory Glands of the Male Reproductive System01:16

Accessory Glands of the Male Reproductive System

The accessory ducts involved in sperm maturation and transportation include the epididymides, vasa deferentia, ejaculatory ducts, and urethra. These ducts play a critical role in the maturation, storage, and transportation of sperm from the testes to the urethra, where it is then released during ejaculation.
The epididymis is a small, comma-shaped organ located at the back of each testicle. The epididymis can be divided into three main parts: the head, body, and tail. The head of the epididymis...

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Related Experiment Video

Updated: Jun 8, 2026

Surgical Treatment for Benign Prostatic Hyperplasia: Holmium Laser Enucleation of the Prostate (HoLEP).
06:04

Surgical Treatment for Benign Prostatic Hyperplasia: Holmium Laser Enucleation of the Prostate (HoLEP).

Published on: March 6, 2018

Exophytic benign prostatic hyperplasia.

Sarah D Blaschko1, Michael L Eisenberg

  • 1Department of Urology, University of California, San Francisco, USA. blaschkosd@urology.ucsf.edu

Urology
|September 28, 2010
PubMed
Summary
This summary is machine-generated.

A large, benign prostatic cyst was incidentally discovered in a 60-year-old man. This rare exophytic pelvic mass highlights benign prostatic hyperplasia

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Photoselective Vaporesection of the Prostate via an End-firing Lithium Triborate Crystal Laser
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Photoselective Vaporesection of the Prostate via an End-firing Lithium Triborate Crystal Laser

Published on: May 9, 2018

Related Experiment Videos

Last Updated: Jun 8, 2026

Surgical Treatment for Benign Prostatic Hyperplasia: Holmium Laser Enucleation of the Prostate (HoLEP).
06:04

Surgical Treatment for Benign Prostatic Hyperplasia: Holmium Laser Enucleation of the Prostate (HoLEP).

Published on: March 6, 2018

Photoselective Vaporesection of the Prostate via an End-firing Lithium Triborate Crystal Laser
07:17

Photoselective Vaporesection of the Prostate via an End-firing Lithium Triborate Crystal Laser

Published on: May 9, 2018

Area of Science:

  • Urology
  • Pathology

Background:

  • Benign prostatic hyperplasia (BPH) is a common condition in older men, characterized by the proliferation of prostatic epithelial and stromal cells.
  • While typically confined to the prostate gland, BPH can occasionally present as nodules protruding externally.

Observation:

  • A 60-year-old male presented with an incidentally discovered 8x7x7 cm multilobular mass posterior to the urinary bladder, contiguous with the prostate.
  • The patient had a normal prostate-specific antigen (PSA) level and no lower urinary tract symptoms.

Findings:

  • Transrectal ultrasound-guided biopsy revealed benign prostatic tissue.
  • Computed tomography-guided needle aspiration confirmed a benign, epithelium-lined cyst, likely of prostatic origin.

Implications:

  • This case illustrates a rare presentation of benign prostatic hyperplasia as an exophytic pelvic mass.
  • The findings underscore the importance of considering prostatic origin for extraprostatic pelvic masses, even in the absence of typical symptoms.