Mycobacterium bohemicum cervical lymphadenitis
Astrid Palca1, Christoph Aebi, Rosemarie Weimann
1Institute for Infectious Diseases, University of Bern Bern, Switzerland.
Insights
A pediatric lymph node swelling was diagnosed as Mycobacterium bohemicum infection. This rare mycobacterial lymphadenitis highlights the importance of considering atypical infections in children.
Area of Science:
- Pediatric Infectious Diseases
- Microbiology
- Histopathology
Background:
- Submandibular swelling in children can be challenging to diagnose.
- Cefaclor therapy is a common first-line treatment for bacterial lymphadenitis.
- Persistent or atypical presentations warrant further investigation.
Observation:
- A 2-year-old child presented with persistent right submandibular swelling.
- The swelling did not resolve with standard oral antibiotic treatment (Cefaclor).
- A lymph node excision was performed for diagnostic purposes.
Findings:
- Histopathology confirmed granulomatous, partly necrotizing lymphadenitis.
- A significant number of acid-fast bacilli were detected in the lymph node tissue.
- Molecular techniques identified the causative agent as Mycobacterium bohemicum.
Implications:
- Mycobacterium bohemicum is a rare cause of lymphadenitis in children.
- This case underscores the need for considering atypical mycobacterial infections in pediatric lymphadenopathy.
- Accurate identification through molecular methods is crucial for appropriate management of rare infections.
Abstract:
A lymph node excision was performed on a 2-year-old child with right submandibular swelling not responding to oral cefaclor therapy. Histology revealed granulomatous, partly necrotizing lymphadenitis and a large number of acid-fast bacilli subsequently identified by molecular techniques as Mycobacterium bohemicum.
Related Concept Videos
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...
Pulmonary Tuberculosis II
Here is a detailed explanation of its pathophysiology:
Transmission: The process begins when a person inhales droplet nuclei containing M. tuberculosis. These are typically released into the air when an individual with pulmonary or...
Pulmonary Tuberculosis III
The first classification is based on the development of the disease, and it includes the following categories:
Atypical Pneumonia
Tuberculosis
Cryptococcal Meningitis


