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Table 3 Breakdown of unexpected post-operative pathological diagnoses

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

Unexpected Benign Diagnoses (N = 18):

Number of:

Inverted papilloma

16

Chronic invasive fungal sinusitis

1

Sinonasal sarcoidosis

1

Unexpected Malignant Diagnoses (N = 3):

Number of:

Adenocarcinoma

2

Squamous cell carcinoma

1