RESUMEN
Herniation of the tympanic membrane is a rare benign malformation of the tympanic membrane into the external auditory canal. It may be asymptomatic or associated with symptoms such as aural fullness, tinnitus, otalgia or hearing loss. We present a case of a symptomatic herniation of the tympanic membrane and its surgical therapy with hernia excision and tympanoplasty. An internal review board exemption was obtained.
Asunto(s)
Perforación de la Membrana Timpánica , Membrana Timpánica , Conducto Auditivo Externo , Hernia/diagnóstico por imagen , Humanos , Membrana Timpánica/diagnóstico por imagen , Membrana Timpánica/cirugía , Perforación de la Membrana Timpánica/etiología , Perforación de la Membrana Timpánica/cirugía , TimpanoplastiaRESUMEN
The performance of a position sensitive gamma-ray scintillator detector (PSD) is described. This PSD is based on a lutetium yttrium oxyorthosilicate (LYSO) crystal read out by a crossed-wire anode position sensitive photomultiplier tube (PSPMT). The main difference with respect to similar existing devices is the individual multi-anode readout (IMAR) approach that is followed here. This method allows to exploit better the intrinsic characteristics of the PSPMT, thus yielding better linearity, improved spatial resolution, and a larger field of view. The new detector is intended for the characterization of 3-D position sensitive germanium detectors.