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Arch Otolaryngol Head Neck Surg. 1999;125:349-352.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

A 54-YEAR-OLD man presented with fetid otorrhea in his left ear that had been developing over several years. It had been treated periodically with ear drops. Otoscopic examination revealed a tympanic membrane perforation in the posterosuperior portion, exhibiting a greenish pus with white keratinous scales. Pure tone audiometry indicated the existence of a conductive hearing loss in the left ear. The rest of the examination revealed no other abnormalities except uvular hypertrophy.

The computed tomograms (Figure 1 [top, coronal projection; bottom, axial projection]) demonstrated a straight-edged mastoid antrum with no periantral cells and erosion of the posterosuperior tympanic margin, with a soft tissue opacification. Inside, there was a round formation with a radiographic density similar to bone hanging from the tegmen antri by means of a pedicle.

Figure 1.

What is your diagnosis?

Rafael Ramírez-Camacho, MD, PhD; Javier Vicente, MD; Santiago Ramón y Cajal, MD, PhD
Madrid, Spain

Imaging Diagnosis: Osteoma of the mastoid antrum and cholesteatoma

Osteomas . . . [Full Text of this Article]

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