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Table 2 Subsite scores for LCH of the temporal bone

From: Pediatric Langerhans cell histiocytosis of the temporal bone: clinical and imaging studies of 27 cases

Subsite Points Ratio of involvement (%)
Mastoid 41.5 53. 2
Squama 33.5 42.9
External ear 27 35.5
Middle ear 27 34.9
Petrous apex 10.5 26.3