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Cardiac amyloidosis: a challenging diagnosis

Graziele Cristina Palancio Morais1, Marjorie Moreira Arruda1, José Carlos de Aguiar Bonadia1

  • 1Department of Pathological Sciences - Faculdade de Ciências Médicas - Santa Casa de Misericórdia de São Paulo - São Paulo/SP - Brazil.

Autopsy & Case Reports
|June 3, 2017
PubMed

Insights

Cardiac amyloidosis, often AL amyloidosis, severely impacts heart function and prognosis. This case highlights severe cardiac involvement in systemic amyloidosis, diagnosed posthumously.

Area of Science:

  • Cardiology
  • Pathology
  • Internal Medicine

Background:

  • Amyloidosis frequently affects the heart (90% of cases), particularly AL amyloidosis.
  • Cardiac manifestations include restrictive cardiomyopathy and conduction abnormalities (up to 50%).
  • Cardiac involvement significantly worsens prognosis in systemic amyloidosis.

Observation:

  • The study presents a case of primary systemic amyloidosis.
  • Severe cardiac involvement was a key feature of this case.
  • Diagnosis was established only upon autopsy.

Findings:

  • Autopsy revealed extensive cardiac infiltration by amyloid.
  • The patient presented with clinical signs of heart failure and conduction disturbances.
  • The case underscores the diagnostic challenges of cardiac amyloidosis.

Implications:

  • Highlights the critical role of early diagnosis for improving patient outcomes.
  • Emphasizes the need for increased awareness among clinicians regarding cardiac amyloidosis.
  • Suggests autopsy can reveal the full extent of cardiac involvement in systemic diseases.

Keywords:
AmyloidosisAutopsyCardiomyopathy, Restrictive

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