Diagnostic Overshadowing
Posts exploring how an FND diagnosis may influence subsequent clinical reasoning, potentially leading symptoms, findings, or alternative diagnoses to be overlooked, discounted, or insufficiently investigated.
Misdiagnosed With FND: From Inpatient Rehabilitation to Neurosarcoidosis
Reddit Stories
Social media
A Reddit user documented severe neurological symptoms, an FND diagnosis and inpatient rehabilitation before further investigation reportedly revealed neurosarcoidosis. The patient later said their neurosurgeon found that the original hospital MRI already contained findings relevant to the eventual diagnosis.
Diagnosed With FND After Three Weeks: 200 Seizures Later, Doctors Found Severe Hypoglycaemia
FND Nope
Moderator
Diagnosed with FND after three weeks, an Australian teenager endured around 200 seizures before severe hypoglycaemia linked to a gastrointestinal motility disorder was identified.
FND Diagnosis Followed by Multiple System Atrophy
Reddit Stories
Social media
A Reddit user describes rapidly progressive neurological and autonomic symptoms that were diagnosed as FND despite their concerns that something else was wrong. Six months after publicly questioning the diagnosis and specifically raising MSA as a possibility, they updated their story to report that further investigation had resulted in a diagnosis of multiple system atrophy (MSA), by which point they were completely bedridden.
FND Diagnosis Followed by ALS and Metastatic Cancer
Reddit Stories
Social media
A Reddit user documents a two-year journey in which progressive neurological symptoms were attributed to FND before they later reported receiving an ALS diagnosis, followed by the discovery of metastatic bladder cancer.
If FND Is Not ‘We Don’t Know’... What Exactly Do We Know?
FND Nope
Moderator
What do we actually know when we diagnose FND? A look at the epistemic limits of the diagnosis, the danger of treating unknowns as knowns, and how overstating certainty can contribute to diagnostic overshadowing and undermine advocacy.
How Can a Layman Determine Whether a Medical Diagnosis Is Legitimate?
FND Nope
Moderator
How do we know when a medical diagnosis has actually been demonstrated rather than simply defined? This post examines FND through ontology, epistemology and axiology, asking what positive signs really establish, where classification ends and explanation begins, and whether the confidence placed in the diagnosis matches the strength of the evidence behind it.
The Falsification Problem: FND Resolved After CSF Leak Repair
FND Nope
Moderator
A patient diagnosed with FND recovered completely after surgical repair of a CSF leak. Why did the diagnosis remain? This article explores what the case reveals about comorbidity, diagnostic reasoning, and the falsification problem in FND.
When Nursing Education Reinforces a Diagnosis
Quackademic
Does this nursing guide teach observation, or does it teach reinforcement of a diagnosis? A critical examination of how skepticism, alternative diagnoses, and diagnostic uncertainty are presented to nursing staff.
The Common Phenotypes Hypothesis
Christoff
Spousal caregiver
An exploration of FND, positive rule-in signs, comorbidity, predictive processing, diagnostic closure, and whether functional symptoms may reflect common phenotypes arising from multiple underlying conditions.
ALS or FND? The Troubling Case of Tanea "Rebel" Brooks
X stories
Social media
Tanea "Rebel" Brooks has faced a devastating battle with lymphoma and a terminal ALS diagnosis. This piece explores her difficult medical journey and raises the question I’ve been wondering about: Could Functional Neurological Disorder (FND) be playing a role in misdiagnosis or diagnostic confusion?
