Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Pleiotropy01:33

Pleiotropy

Pleiotropy is the phenomenon in which a single gene impacts multiple, seemingly unrelated phenotypic traits. For example, defects in the SOX10 gene cause Waardenburg Syndrome Type 4, or WS4, which can cause defects in pigmentation, hearing impairments, and an absence of intestinal contractions necessary for elimination. This diversity of phenotypes results from the expression pattern of SOX10 in early embryonic and fetal development. SOX10 is found in neural crest cells that form melanocytes,...
Cushing Syndrome II: Pathophysiology01:19

Cushing Syndrome II: Pathophysiology

Cortisol production is normally governed by the hypothalamic–pituitary–adrenal (HPA) axis, which maintains hormonal balance through tightly regulated feedback mechanisms. Disruption of this regulatory system is central to the development of Cushing syndrome, whether the excess cortisol originates from external medications or internal pathology. Persistent cortisol elevation alters metabolism, immune function, and endocrine signaling, producing the characteristic clinical features of the...
Chronic Bowel Disorders: Introduction01:17

Chronic Bowel Disorders: Introduction

Chronic bowel diseases are a group of long-term conditions affecting the digestive tract, characterized by inflammation and damage to the gut lining. These conditions primarily include irritable bowel syndrome and inflammatory bowel disease.
Irritable Bowel Syndrome (IBS) is a common disorder affecting the gastrointestinal tract. The distinctive feature is recurrent abdominal pain associated with altered bowel movements, manifesting as constipation, diarrhea, or fluctuating between both. The...
Portal Hypertension01:22

Portal Hypertension

Portal hypertension is an increase in blood pressure within the portal venous system. Normally, this pressure is less than 5 mmHg. It is considered clinically significant when it rises above 10 mmHg. At this threshold, complications from altered blood flow and venous congestion emerge.EtiologyPortal hypertension arises from conditions that impede blood flow through the liver. The most common cause is cirrhosis, in which chronic liver injury leads to fibrotic scarring. This fibrosis narrows or...
Peptic Ulcer Disease I: Introduction01:30

Peptic Ulcer Disease I: Introduction

Peptic Ulcer Disease (PUD) is characterized by mucosal excavation in the esophagus, stomach, pylorus, or duodenum. It can manifest as acute or chronic based on the extent and duration of mucosal involvement.
An acute ulcer, marked by superficial erosion and minimal inflammation, swiftly resolves upon identifying and addressing the underlying cause. In contrast, a chronic ulcer persists, potentially eroding through the muscular wall and forming fibrous tissue.
Peptic ulcers can also be...
Esophageal Achalasia01:27

Esophageal Achalasia

Esophageal achalasia is a chronic neurogenic disorder characterized by impaired relaxation of the lower esophageal sphincter (LES) and absent or ineffective peristalsis in the distal esophagus. This leads to a functional obstruction without a physical blockage, despite significant disruption of esophageal motility.EtiologyAchalasia is caused by degeneration of the myenteric (Auerbach's) plexus, specifically the loss of inhibitory ganglion cells that produce vasoactive intestinal peptide (VIP)...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Factors Determining the Switch of the First Biological Treatment in Spondyloarthritis: Data from the RBSMR Registry.

Current rheumatology reviews·2026
Same author

Psoriatic Arthritis Characteristics and Comorbidities in North Africa: Results of a Multicenter Retrospective Study.

Journal of psoriasis and psoriatic arthritis·2025
Same author

What are the characteristics of paradoxical effects in the Biotherapies Registry of the Moroccan Society of Rheumatology?

Reumatologia·2025
Same author

Tuberculosis Under Biotherapy in Patients with Spondyloarthritis: Data from the Moroccan Biotherapy Registry (RBSMR) during 3 Years of Follow Up.

Mediterranean journal of rheumatology·2025
Same author

Tumour Necrosis Factor α Inhibitors during Spondylarthritis: Therapeutic Maintenance, Reasons, and Predictive Factors of Discontinuation (Data from RBSMR Registry).

Mediterranean journal of rheumatology·2025
Same author

[Giant cell tumors].

La Revue du praticien·2023

Related Experiment Video

Updated: Jul 7, 2026

A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts
07:50

A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts

Published on: September 20, 2018

Buschke-Ollendorff syndrome.

Hasna Hassikou1, Fatima Tabache, Soumaya Safi

  • 1Service de Médecine Interne, Hôpital militaire Moulay Ismail, Meknès, Morocco.

Joint Bone Spine
|March 4, 2008
PubMed
Summary

Buschke-Ollendorff syndrome (BOS) is a rare genetic disorder causing skin hamartomas and bone abnormalities. Diagnosis involves physical exams and radiographs, distinguishing it from other bone conditions.

Area of Science:

  • Dermatology
  • Genetics
  • Radiology

Background:

  • Buschke-Ollendorff syndrome (BOS) is an autosomal dominant disorder.
  • It is characterized by elastin-rich hamartomas and osteopoikilosis.

Observation:

  • A 21-year-old woman presented with osteopoikilosis, leading to a BOS diagnosis.
  • She exhibited multiple, grouped, buff-colored papules on her thighs and trunk.
  • Skin biopsy revealed thick collagen and normal elastic fibers.

Findings:

  • Osteopoikilosis can be the initial manifestation of BOS.
  • BOS affects approximately 1 in 20,000 individuals.
  • Diagnosis relies on physical examination and radiographic assessment.

Implications:

More Related Videos

Anterior High-Resolution Optical Coherence Tomography in the Diagnosis and Therapeutic Monitoring of Ocular Surface Squamous Neoplasia
06:15

Anterior High-Resolution Optical Coherence Tomography in the Diagnosis and Therapeutic Monitoring of Ocular Surface Squamous Neoplasia

Published on: August 9, 2024

Related Experiment Videos

Last Updated: Jul 7, 2026

A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts
07:50

A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts

Published on: September 20, 2018

Anterior High-Resolution Optical Coherence Tomography in the Diagnosis and Therapeutic Monitoring of Ocular Surface Squamous Neoplasia
06:15

Anterior High-Resolution Optical Coherence Tomography in the Diagnosis and Therapeutic Monitoring of Ocular Surface Squamous Neoplasia

Published on: August 9, 2024

  • Accurate diagnosis of BOS is crucial.
  • Distinguishing BOS from other bone abnormalities like sclerotic bone metastases is important.
  • Early identification aids in managing associated symptoms and genetic counseling.