Related Experiment Video
Updated: Jun 28, 2026

Measurement of Heme Synthesis Levels in Mammalian Cells
Published on: July 9, 2015
Munchausen syndrome by proxy and intra-alveolar haemosiderin
1Department of Forensic Pathology, University of Sheffield, The Medico-Legal Centre, Watery Street, Sheffield, S3 7ES, UK. C.M.Milroy@sheffield.ac.uk
Abstract:
Munchausen syndrome by proxy is characterised by the invention of a false history and/or the deliberate inducement of a factitious illness by parents in their child. First reported as a disorder of mothers, this syndrome is now recognised to have male perpetrators. One of the most common characteristic presentations is with the child allegedly suffering repeated apnoeic attacks. These are in fact deliberately induced episodes of upper airway obstruction. The children of these parents are at great risk of serious harm or death if not recognised. The identification of smothering at autopsy is fraught with difficulty and the presence of intra-alveolar haemosiderin has been claimed to be a marker of previous smothering. A case of Munchausen syndrome by proxy is presented where there were deliberate acts of repeated partial smothering and where the finding of intra-alveolar haemosiderin at autopsy provided additional supportive evidence of smothering.
Insights
Munchausen syndrome by proxy involves parents fabricating illness in children, often through induced airway obstruction. Intra-alveolar haemosiderin at autopsy can support smothering, a dangerous form of abuse.
Area of Science:
- Medical Examiner
- Forensic Pathology
- Pediatric Medicine
Background:
- Munchausen syndrome by proxy (MSP) is a form of child abuse where a caregiver fabricates or induces illness in a child.
- While historically associated with mothers, MSP can involve male perpetrators and presents with symptoms like induced apnoeic attacks.
- Recognizing MSP is critical due to the severe risk of harm or death to the child.
Observation:
- Induced upper airway obstruction, mimicking apnoeic attacks, is a common presentation in MSP.
- Identifying smothering, a method of inducing airway obstruction, during autopsy is challenging.
- Intra-alveolar haemosiderin has been proposed as a potential post-mortem marker for previous smothering events.
Findings:
- This case details repeated partial smothering acts by a perpetrator with Munchausen syndrome by proxy.
- Autopsy examination revealed intra-alveolar haemosiderin, providing supportive evidence of the induced smothering.
- The presence of intra-alveolar haemosiderin aids in the identification of smothering in suspected MSP cases.
Implications:
- This case highlights the importance of considering MSP in unexplained pediatric illnesses and deaths.
- Forensic findings, such as intra-alveolar haemosiderin, can be crucial in diagnosing abuse in challenging cases.
- Early recognition and intervention are vital to protect children from life-threatening abuse associated with Munchausen syndrome by proxy.
More Related Videos
Related Concept Videos
Protein Import into the Peroxisomes
Peroxisomal Protein Import:
Peroxisomes lack the genetic machinery required to code for their own proteins. Hence, most peroxisomal membrane, lumenal and transmembrane proteins are synthesized in the cytoplasm or ER and transported to the peroxisome...
Transcytosis of IgG
IgG molecules from a mother undergo transcytosis starting around 13 weeks of gestation. The amount of IgG transferred and entering the fetal blood circulation increases with...
Disorders of Erythrocytes
Erythrocyte disorders can be broadly categorized into two main types: anemic and polycythemic conditions.
A low oxygen-carrying capacity of the blood due to the loss, lower production, or destruction of erythrocytes is termed anemia. Hemorrhagic anemia, for example, occurs when bleeding from an external wound or internal ulcer reduces erythrocyte counts.
On the other...
Chronic Obstructive Pulmonary Disease II: Emphysema
Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features
Jaundice

