Clinically, the classical disease manifestation of Marek's disease is polyneuritis
and paralysis, which carries a grave prognosis because there is no effective treatment.
It is, however, possible that this clinical presentation may reflect the occurrence of an acute idiopathic polyneuritis
,  possibly associated with an underlying predisposition to autoimmune diseases.
(1956) An unusual variant of acute idiopathic polyneuritis
(syndrome of ophthalmoplegia, ataxia and areflexia).
Also known as acute post-infective polyneuritis
, it is a disease of the peripheral nervous system, affecting the arms, legs, head and trunk, but not the brain or spinal cord.
A case of periarteritis nodosa with signs of polyneuritis
, Raynaud's disease and peritonitis in a patient with progressive chronic arthritis [in Polish].
This condition manifests with cardiovascular, dermal, and neurological symptoms such as irritability, photophobia, pink discoloration of the hands and feet, and polyneuritis
(Boyd et al.
Infant botulism can be manifested by a broad spectrum of symptoms that early in the disease may mimic those of sepsis, dehydration, viral syndrome, pneumonia, idiopathic hypotonia, meningitis, failure to thrive, hypothyroidism, metabolic encephalopathy, amino acid metabolic disorder, heavy metal poisoning (Pb, Mg, As), electrolyte imbalance, drug ingestion, poliomyelitits, medium-chain acyl-CoA dehydrogenase, brain stem encephalitis, myasthenia gravis, viral polyneuritis
, Guillain-Barre syndrome, Hirschsprung disease, or Werdnig-Hoffman disease.
In 1982, a patient with altered mental status, seizures, progressive spastic paraparesis, and coma, and a patient with acute polyneuritis
were described (9-11) Another patient with encephalopathy, cranial nerve palsy, and hepatitis occurring during a secondary dengue infection was described in 1985 (10).
Another patient died of polyneuritis
like feature developing 10 days after cure after returning from Patna.
If untreated, [B.sub.12] deficiency anemia can lead to serious neurological complications, such as polyneuritis
and optic neuritis (Andres et al., 2004).
Acute idiopathic polyneuritis
and idiopathic thrombocytopenic purpura.
Skin ulcers and the complications of airway obstruction, myocarditis, polyneuritis
, and acute tubular necrosis may also occur.