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

40.8K
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,...
40.8K
Prosopagnosia01:24

Prosopagnosia

223
Prosopagnosia, also known as face blindness, is the inability to recognize faces. In severe cases, individuals with prosopagnosia may not recognize close family members, including parents and spouses, by their faces. For instance, someone with prosopagnosia might walk past their child in a crowd, only realizing their mistake upon noticing their child's distinctive backpack or favorite jacket. Prosopagnosia specifically impairs facial recognition, while the recognition of other objects or...
223
Sex-linked Disorders01:43

Sex-linked Disorders

102.6K
Like autosomes, sex chromosomes contain a variety of genes necessary for normal body function. When a mutation in one of these genes results in biological deficits, the disorder is considered sex-linked.
102.6K
Notch Signaling Pathway03:14

Notch Signaling Pathway

4.4K
The Notch signaling pathway is a major intracellular signaling pathway that is highly conserved over a broad spectrum of metazoan species. It stands unique from other intracellular signaling mechanisms in animals because notch protein itself acts as the receptor as well as the primary signaling molecule.
The Notch gene came into the limelight in 1914 after the discovery that its mutation in Drosophila melanogaster leads to a serrated (or "notched") wing margin phenotype. It was not...
4.4K
Genomic Imprinting and Inheritance02:30

Genomic Imprinting and Inheritance

34.9K
Diploid organisms inherit genetic material through chromosomes from both parents. Copies of the same gene are known as alleles. In most cases, both alleles are simultaneously expressed and allow various cellular processes to function optimally. If one of the alleles is missing or mutated, the expression of the other allele can compensate; however, this is not true for all genes.
The expression of some genes depends on which parent passed the gene to the offspring, through a phenomenon known as...
34.9K
Personality Disorders: Narcissistic and Avoidant01:26

Personality Disorders: Narcissistic and Avoidant

136
Narcissistic and avoidant personality traits represent two contrasting patterns of behavior that significantly influence social interactions and self-perception. While individuals with narcissistic disorder seek admiration and validation, individuals with avoidant personality disorder withdraw due to fear of judgment.
Characteristics of Narcissistic Personality Disorder
Narcissistic individuals exhibit an inflated sense of self-importance and an excessive need for admiration. They are often...
136

You might also read

Related Articles

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

Sort by
Same author

[Cat-scratch disease, clinical features in adults].

Medicina·2024
Same author

Sporotrichosis transmitted by domestic cats: A case report.

Archivos argentinos de pediatria·2024
Same author

[Streptococcus suis meningitis].

Medicina·2024
Same author

[Purple urine].

Medicina·2024
Same author

[Do we think of scurvy?]

Medicina·2024
Same author

Pseudotumoral herpes genitalis in a woman living with HIV: Diagnosis and treatment challenges.

International journal of STD & AIDS·2023

Related Experiment Video

Updated: Aug 10, 2025

Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale
19:15

Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale

Published on: August 25, 2014

86.2K

[Nicolau syndrome].

Edwin A Rodríguez Arias1, María Fernanda Sola1, Lorea De Arza Pochylak1

  • 1Servicio de Clínica Médica, Hospital Nacional Profesor Alejandro Posadas, Buenos Aires, Argentina.

Medicina
|February 12, 2023
PubMed
Summary

Nicolau syndrome is a rare adverse drug reaction. This case highlights its occurrence after benzathine penicillin injection, treated successfully with enoxaparin and cilostazol.

Keywords:
Nicolau syndromeadverse effectdrug skin embolismlivedoid dermatitispenicillin

More Related Videos

Standardized Data Acquisition for Neuromelanin-Sensitive Magnetic Resonance Imaging of the Substantia Nigra
05:14

Standardized Data Acquisition for Neuromelanin-Sensitive Magnetic Resonance Imaging of the Substantia Nigra

Published on: September 8, 2021

3.6K
Osmotic Avoidance in Caenorhabditis elegans: Synaptic Function of Two Genes, Orthologues of Human NRXN1 and NLGN1, as Candidates for Autism
11:20

Osmotic Avoidance in Caenorhabditis elegans: Synaptic Function of Two Genes, Orthologues of Human NRXN1 and NLGN1, as Candidates for Autism

Published on: December 11, 2009

11.8K

Related Experiment Videos

Last Updated: Aug 10, 2025

Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale
19:15

Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale

Published on: August 25, 2014

86.2K
Standardized Data Acquisition for Neuromelanin-Sensitive Magnetic Resonance Imaging of the Substantia Nigra
05:14

Standardized Data Acquisition for Neuromelanin-Sensitive Magnetic Resonance Imaging of the Substantia Nigra

Published on: September 8, 2021

3.6K
Osmotic Avoidance in Caenorhabditis elegans: Synaptic Function of Two Genes, Orthologues of Human NRXN1 and NLGN1, as Candidates for Autism
11:20

Osmotic Avoidance in Caenorhabditis elegans: Synaptic Function of Two Genes, Orthologues of Human NRXN1 and NLGN1, as Candidates for Autism

Published on: December 11, 2009

11.8K

Area of Science:

  • Pharmacology
  • Dermatology
  • Pathology

Background:

  • Nicolau syndrome is a rare but severe complication following parenteral drug administration.
  • It typically manifests as localized pain, edema, erythema, and potential necrosis.

Observation:

  • A case report of a 31-year-old male presenting with Nicolau syndrome.
  • The syndrome developed subsequent to intramuscular benzathine penicillin injection.

Findings:

  • Clinical diagnosis of Nicolau syndrome was confirmed by biopsy.
  • Treatment with enoxaparin and cilostazol led to patient improvement.

Implications:

  • This case underscores the importance of recognizing Nicolau syndrome as a potential adverse event.
  • Early diagnosis and appropriate anticoagulation/vasodilator therapy may improve outcomes for patients with Nicolau syndrome.