2011
DOI: 10.1111/j.1529-8027.2011.00331.x
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Variable presentations of TTR‐related familial amyloid polyneuropathy in seventeen patients

Abstract: Autosomal-dominant transthyretin (TTR)-related amyloidosis usually manifests in the second to fourth decade with a length-dependent axonal neuropathy with prominent involvement of the small fibers and multi-organ systemic failure. We retrospectively analyzed seventeen probands, including thirteen apparently isolated cases, carrying eight mutations of TTR gene (age of onset = 60.4 ± 13.5 years). Thirteen patients were initially un/misdiagnosed; interval from onset to definite diagnosis was 3.3 ± 2.3 years. Inau… Show more

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Cited by 75 publications
(71 citation statements)
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References 23 publications
(36 reference statements)
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“…Patients with p.Val30Met TTR may also be found outside these endemic foci, and are referred to as non-endemic p.Val30Met TTR-related hereditary amyloidosis. As compared with endemic p.Val30Met-type TTRrelated hereditary amyloidosis, cardiac involvement is more frequent and more prominent (11)(12)(13), and family history is less frequent (14) in non-endemic p.Val30Met-type TTRrelated hereditary amyloidosis. In addition, age at onset of non-endemic p.Val30Met-type TTR-related hereditary amyloidosis (52-80 years) is higher than that of the endemic disorder (30-40 years) (15).…”
Section: Discussionmentioning
confidence: 90%
“…Patients with p.Val30Met TTR may also be found outside these endemic foci, and are referred to as non-endemic p.Val30Met TTR-related hereditary amyloidosis. As compared with endemic p.Val30Met-type TTRrelated hereditary amyloidosis, cardiac involvement is more frequent and more prominent (11)(12)(13), and family history is less frequent (14) in non-endemic p.Val30Met-type TTRrelated hereditary amyloidosis. In addition, age at onset of non-endemic p.Val30Met-type TTR-related hereditary amyloidosis (52-80 years) is higher than that of the endemic disorder (30-40 years) (15).…”
Section: Discussionmentioning
confidence: 90%
“…Кроме того, как сказано выше, чувствительность данного метода для различ-ных тканей неодинакова [21][22][23]. Таким образом, от-сутствие амилоида при гистологическом исследовании выбранной ткани не является редкостью и не может быть основанием для отрицания диагноза ТТР амило-идоза, особенно в сомнительных ситуациях.…”
Section: клинический разборunclassified
“…Vereinzelt wurde die Erstdiagnose bei Patienten jenseits des 75. Lebensjahres gestellt [13,14]. Die Gründe, warum sich diese Mutation in Schweden um Jahrzehnte später als in Portugal manifestiert, sind bis heute unklar geblieben.…”
Section: Fap "Late-onset"unclassified
“…Besondere Schwierigkeiten ergeben sich bei der Late-onset-FAP durch die unspezifischere Symptomatik, das fortgeschrittene Erkrankungsalter und die oft nicht erkennbare Erblichkeit mit der Folge, dass viele TTR-assoziierte Amyloidosen in dieser Altersgruppe undiagnostiziert bleiben [28]. Weiterhin können das Bestehen anderer Polyneuropathieursachen (Diabetes mellitus, Gammopathie), Liquoreiweißerhö-hungen [7,14,17] oder demyelinisierende Komponenten in der Elektrophysiologie [29,30] die korrekte Diagnose erschweren. Außerhalb bereits identifizierter Familien beträgt die durchschnittliche Verzögerung von Symptombeginn bis zur korrekten Diagnose median etwa 3 Jahre [12] und kann in Einzelfällen bis zu 8 Jahre dauern [14].…”
Section: Diagnostikunclassified
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