Related Experiment Video
Updated: Jun 23, 2025

Author Spotlight: Advancing Research on Candida albicans Biofilm-Associated Prosthetic Joint Infections
Published on: February 2, 2024
Orthopedic Manifestations of Disseminated Cryptococcal neoformans Infection in an Immunocompromised Patient: a Case
David Yatsonsky1, Jenna Gunn2, Kelsee Zajac2
1Department of Orthopaedic Surgery, The University of Toledo Medical Center, Toledo, OH.
Introduction:
Cryptococccus neoformans is a fungus which typically presents in immunocompromised hosts, commonly presenting as meningoencephalitis. There have been very few documented incidents of intramuscular manifestations of this pathogen.
Case Report:
We report on a case of a 45-year-old caucasian male with disseminated Cryptococcus neoformans who developed cryptococcal intramuscular abscesses of all extremities and osteomyelitis of the left upper limb. Clinical treatment and surgical debridement of the forearm was performed. Persistent infection resulted in a left humeral amputation and ultimately the patient's death. This is one of the few documented intramuscular abscesses of Cryptococcus neoformans.
Conclusion:
Orthopedic manifestations of cryptococcal infections are rare; however, awareness and prompt diagnosis may improve outcomes.
Insights
This case report details a rare instance of disseminated Cryptococcus neoformans leading to intramuscular abscesses and osteomyelitis. Despite aggressive treatment, the patient succumbed to the infection, highlighting the challenges of managing this fungal pathogen.
Area of Science:
- Infectious Diseases
- Mycology
- Clinical Case Studies
Background:
- Cryptococcus neoformans commonly causes meningoencephalitis in immunocompromised individuals.
- Intramuscular manifestations of Cryptococcus neoformans are exceptionally rare in medical literature.
Observation:
- A 45-year-old male presented with disseminated Cryptococcus neoformans infection.
- The patient developed cryptococcal intramuscular abscesses in all extremities and osteomyelitis of the left upper limb.
Findings:
- Despite surgical debridement and clinical treatment, the infection persisted.
- The patient ultimately required a left humeral amputation and died from the disseminated fungal infection.
Implications:
- This case underscores the infrequent but severe orthopedic complications of Cryptococcus neoformans.
- Increased awareness and prompt diagnosis of rare presentations are crucial for potentially improving patient outcomes.
Related Concept Videos
Skin Diseases and Disorders
Gram-positive Staphylococcus spp. and Streptococcus spp. are responsible for many of the most common skin infections. However, many...
Pulmonary Tuberculosis III
The first classification is based on the development of the disease, and it includes the following categories:
Pulmonary Tuberculosis I
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
Inflammatory Bowel Disease II: Crohn's Disease
Inflammatory bowel disease, commonly known as IBD, refers to a collection of disorders that lead to persistent inflammation of the gastrointestinal tract. The two types of IBD are ulcerative colitis, which impacts the colon, and Crohn's disease, which can involve any part of the gastrointestinal segment.
Crohn's disease
Crohn's disease is a chronic, systemic inflammatory bowel disease (IBD) that predominantly affects the gastrointestinal tract. It is marked by...
Immunodeficiency Diseases
There are three main causes of immunodeficiency...

