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Published Online: 1 April 2012

A Comorbid Case of Familial Idiopathic Basal Ganglia Calcification (“Fahr´s Disease”) Associated With Post-Polio Syndrome.

Publication: The Journal of Neuropsychiatry and Clinical Neurosciences
Idiopathic Basal Ganglia Calcification (IBGC), also known as “Fahr´s Disease”, is a neuropsychiatric syndrome characterized by bilateral symmetrical intracranial calcifications in the absence of a systemic cause, such as metabolic and/or endocrinologic diseases. Deposits may be present in the putamen, caudate nucleus, internal capsule, dentate nucleus, thalamus, cerebellum and cerebral white matter.1
Symptoms are not specific, varying from pure psychiatric (psychosis, mania, depression) to neurologic syndromes (parkinsonism, dystonia, headaches).1 The onset is frequently seen in the fourth and sixth decades of life, though occasional cases have been reported in children.1
Post-poliomyelitis syndrome (PPS) is characterized by the delayed appearance of new neuromuscular symptoms in patients many years after their acute poliomyelitis paralysis. PPS occurs 30 to 40 years after an acute poliomyelitis attack and is observed in approximately 25%–28% of patients.2
The criteria used to define a case of PPS are: 1) a prior episode of poliomyelitis with residual motor neuron loss; 2) a period of at least 15 years of neurological and functional stability after recovery from the acute illness; 3) the gradual or, rarely, abrupt onset of new weakness or abnormal muscle fatigue, and generalized fatigue; and 4) the exclusion of other conditions that could cause similar manifestations.2
We display for the first time in literature the association of these two entities.

Case Descriptions

We report the case of a 56-year-old man with an intriguing medical history. At the age of seven years old, he had poliomyelitis infection, with acute anterior spine disease, presenting with hypotony and atrophy of right lower limbs. After the acute episode, even with the atrophic sequelae, he recovered the functionality of the limb progressively. Then, had a normal life until the age of 46, with occupational activities (nursery) and social/conjugal life.
At the age of 46 he began a slow progression of aphasic syndrome and remarkable motor syndrome in the right lower and upper limbs. He stopped working five years ago and became gradually dependent, at first socially, but today even in the domestic tasks.
Currently, his neurological examination revealed expression aphasia, stiffness and spasticity of the upper and lower right limbs and atrophic sequelae of lower limbs. The strength, sensitivity, coordination, proprioception and cranial nerves are unaffected.
Laboratory research does not suggest any new etiology for the case. The metabolic and endocrine profile (including calcium metabolism) were normal. CT scan dated from the onset of neurological worsening (1997) showed extensive calcification of the basal ganglia, cerebellum, thalamus and subcortical white matter (Figure 1). Recently, another CT scan shows subtle growth of brain calcification. The MR study was unspecific, showing some areas of microangiopathy and also the calcifications.
FIGURE 1. CT Showing Extensive Calcifications in Cerebellum, Basal Ganglia, and Subcortical White Matter

Discussion

IBGC is a neurological entity characterized by psychosis, depression, and motor disorders, but can also present a wide range of symptoms. There is evidence that a complex genetic mechanism is responsible for the transmission of patterns of calcification and symptoms.3
An impressive finding in this particular case is the fact that the patient has monozygotic twin children 26 years old with very similar findings of cerebral calcifications, suggesting genetic inheritance patterns of calcification.4 Therefore, this case represents the first detailed report of such finding in the literature.
Previous studies point to several candidate regions at chromosomes 2, 7, 8, 9 and 14 but there is no definitive gene identified so far.5
We emphasize the clinical heterogeneity of IBGC and its relationship with other degenerative diseases. The association of IBGC with postpolio syndrome suggests the morbidity of such combination, representing a new challenge in the interpretation of the distinct clinical and neurological manifestations.

Conclusions

As far as we are concerned, this original report adds neurological information to the literature, because this is the first thorough description of such finding.

Acknowledgments

The authors declare no conflicts of interest.
The study where this patient was detected was approved by the ethics committee from the Federal University of Pernambuco (CAEE-0296.0172.000-08).

References

1.
Manyam BV: What is and what is not ‘Fahr’s disease’. Parkinsonism Relat Disord 2005; 11:73–80
2.
Dalakas MC, Elder G, Hallett M, et al.: A long-term follow-up study of patients with post-poliomyelitis neuromuscular symptoms. N Engl J Med 1986; 314:959–963
3.
Oliveira JRM, Spiteri E, Sobrido MJ, et al.: Genetic heterogeneity in familial idiopathic basal ganglia calcification (Fahr disease). Neurology 2004; 63:2165–2167
4.
Oliveira JR, Lima Filho JL, Zatz M: Identical twins with Idiopathic Basal Ganglia Calcification (“Fahr’s Disease”) presenting with a remarkably similar pattern of neuroimaging findings. Parkinsonism Relat Disord 2009; 15:396–397
5.
Lemos RR, Oliveira DF, Zatz M, et al.: Population and computational analysis of the MGEA6 P521A variation as a risk factor for familial idiopathic basal ganglia calcification (Fahr’s disease). J Mol Neurosci 2011; 43:333–336

Information & Authors

Information

Published In

Go to The Journal of Neuropsychiatry and Clinical Neurosciences
Go to The Journal of Neuropsychiatry and Clinical Neurosciences
The Journal of Neuropsychiatry and Clinical Neurosciences
Pages: E14 - E15
PubMed: 22772679

History

Published online: 1 April 2012
Published in print: Spring 2012

Authors

Details

Matheus F. Oliveira
- Department of Neurosurgery - Hospital do Servidor Público Estadual de São Paulo, São Paulo-Brazil
JRM Oliveira
- Neuropsychiatric Department and Keizo Asami Laboratory - Federal University of Pernambuco (UFPE), Recife, Pernambuco-Brazil

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