Diagnostic challenges in systemic amyloidosis: a case report with clinical and laboratorial pitfalls

Currently, there is growing evidence in the literature warning of misdiagnosis involving amyloidosis and chronic inflammatory demyelinating polyneuropathy (CIDP). Although inducing clinical manifestations outside the peripheral nervous system, light chain and transthyretin amyloidosis may initially...

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Main Authors: Angelina Maria Martins Lino, Jussara Bianchi Castelli, Roberta Shcolnik Szor, Fabio Fernandes, Vera Demarchi Aiello
Format: Article
Language:English
Published: University of São Paulo 2021-10-01
Series:Autopsy and Case Reports
Subjects:
Online Access:https://www.revistas.usp.br/autopsy/article/view/191243
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author Angelina Maria Martins Lino
Jussara Bianchi Castelli
Roberta Shcolnik Szor
Fabio Fernandes
Vera Demarchi Aiello
author_facet Angelina Maria Martins Lino
Jussara Bianchi Castelli
Roberta Shcolnik Szor
Fabio Fernandes
Vera Demarchi Aiello
author_sort Angelina Maria Martins Lino
collection DOAJ
description Currently, there is growing evidence in the literature warning of misdiagnosis involving amyloidosis and chronic inflammatory demyelinating polyneuropathy (CIDP). Although inducing clinical manifestations outside the peripheral nervous system, light chain and transthyretin amyloidosis may initially present with peripheral neuropathy, which can be indistinguishable from CIDP, leading to a delay in the correct diagnosis. Besides, the precise identification of the amyloid subtype is often challenging. This case report exemplifies clinical and laboratory pitfalls in diagnosing amyloidosis and subtyping amyloid, exposing the patient to potentially harmful procedures
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spelling doaj.art-9393e65cea74450e90766aa05796d76b2022-12-21T20:03:52ZengUniversity of São PauloAutopsy and Case Reports2236-19602021-10-0111Diagnostic challenges in systemic amyloidosis: a case report with clinical and laboratorial pitfallsAngelina Maria Martins Lino0 Jussara Bianchi Castelli1Roberta Shcolnik Szor2Fabio Fernandes3Vera Demarchi Aiello4 Universidade de São Paulo (USP), Hospital das Clínicas, Department of Neurology, Clinical Peripheral Nerve Group, São Paulo, SP, Brasil Universidade de São Paulo (USP), Instituto do Coração, Laboratory of Pathology, São Paulo, SP, Brasil Universidade de São Paulo (USP), Instituto do Câncer do Estado de São Paulo, São Paulo, SP, Brasil Universidade de São Paulo (USP), Instituto do Coração, Cardiomiopathy Group, São Paulo, SP, Brasil Universidade de São Paulo (USP), Instituto do Coração, Laboratory of Pathology, São Paulo, SP, BrasilCurrently, there is growing evidence in the literature warning of misdiagnosis involving amyloidosis and chronic inflammatory demyelinating polyneuropathy (CIDP). Although inducing clinical manifestations outside the peripheral nervous system, light chain and transthyretin amyloidosis may initially present with peripheral neuropathy, which can be indistinguishable from CIDP, leading to a delay in the correct diagnosis. Besides, the precise identification of the amyloid subtype is often challenging. This case report exemplifies clinical and laboratory pitfalls in diagnosing amyloidosis and subtyping amyloid, exposing the patient to potentially harmful procedureshttps://www.revistas.usp.br/autopsy/article/view/191243PolyradiculoneuropathyChronic Inflammatory DemyelinatingDiagnostic ErrorsAmyloidosisFamilialLight Chain Immunoglobulin Amyloidosis
spellingShingle Angelina Maria Martins Lino
Jussara Bianchi Castelli
Roberta Shcolnik Szor
Fabio Fernandes
Vera Demarchi Aiello
Diagnostic challenges in systemic amyloidosis: a case report with clinical and laboratorial pitfalls
Autopsy and Case Reports
Polyradiculoneuropathy
Chronic Inflammatory Demyelinating
Diagnostic Errors
Amyloidosis
Familial
Light Chain Immunoglobulin Amyloidosis
title Diagnostic challenges in systemic amyloidosis: a case report with clinical and laboratorial pitfalls
title_full Diagnostic challenges in systemic amyloidosis: a case report with clinical and laboratorial pitfalls
title_fullStr Diagnostic challenges in systemic amyloidosis: a case report with clinical and laboratorial pitfalls
title_full_unstemmed Diagnostic challenges in systemic amyloidosis: a case report with clinical and laboratorial pitfalls
title_short Diagnostic challenges in systemic amyloidosis: a case report with clinical and laboratorial pitfalls
title_sort diagnostic challenges in systemic amyloidosis a case report with clinical and laboratorial pitfalls
topic Polyradiculoneuropathy
Chronic Inflammatory Demyelinating
Diagnostic Errors
Amyloidosis
Familial
Light Chain Immunoglobulin Amyloidosis
url https://www.revistas.usp.br/autopsy/article/view/191243
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