The difficulty in correctly diagnosing clinically basal cell epitheliomas containing cysts microscopically is demonstrated. Clinical misdiagnoses occurred in almost half of the tumors containing large cysts microscopically and in one-third of those containing small cysts. Only one-tenth of solid tumors were misdiagnosed clinically.
Petersen RA, Aaberg TM, Smith TR. Solid vs Cystic Basal Cell Epitheliomas of the Eyelids: Correlation of Clinical and Pathological Diagnoses. Arch Ophthalmol. 1968;79(1):31–32. doi:10.1001/archopht.1968.03850040033010
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