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Table 4 Breakdown of unexpected pathological diagnoses by individual studies

From: The usefulness of routine histopathology of bilateral nasal polyps – a systematic review, meta-analysis, and cost evaluation

Studies:

Unexpected pathological diagnosis (benign):

Unexpected pathological diagnosis (malignant):

Yeh et al. 2014

4 inverted papilloma

None

Yaman et al. 2011

None

None

Arslan et al. 2010

None

None

Romashko et al. 2005

None

None

Busaba et al. 2005

5 inverted papilloma

1 adenocarcinoma

1 chronic invasive fungal sinusitis

1 squamous cell carcinoma

1 sinonasal sarcoidosis

Garavello et al. 2005

7 inverted papilloma

1 adenocarcinoma