Case series

Last revised by Matt A. Morgan on 27 Jul 2022

case series is essentially a collection of case reports around a common theme. It belongs to the class of descriptive studies.


A case series typically contains:

  • a short introduction
  • the series of cases
    • patient history, presentation, imaging, and clinical course are described in sequential separate sections (patient 1, patient 2, patient 3...)
  • summary/discussion


The case series has many of the same advantages and disadvantages of the case report.

The presentation of multiple cases lends more weight to an underlying hypothesis (stated or unstated) than does a single case report. The case series has less power in defending a hypothesis than other retrospective or prospective studies, however.

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