Role of coronal oblique reconstruction as a complement to CT study of the temporal bone: normal anatomy

Mazziotti, Silvio; Arceri, F.; Vinci, Sergio Lucio; Salamone, Ignazio; Racchiusa, Sergio; Pandolfo, I

doi:10.1007/s11547-006-0055-y

Cited by 10 publications

(11 citation statements)

References 8 publications

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“…34,35 The hypotympanic floor has an irregular surface due to the presence of osseous trabeculae and small irregular tympanic cells. 36 These trabeculae can interfere with tympanostomy tube insertion and can trap fingers of the cholesteatoma matrix. A ''high'' or dehiscent jugular bulb may present in the hypotympanum 37 (Figure 10).…”

Section: The Hypotympanummentioning

confidence: 99%

Endoscopic Anatomy of the Pediatric Middle Ear

Isaacson

2013

Otolaryngol.--head neck surg.

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Traditionally, otologists have aimed to produce a clean, dry, safe ear with the best possible hearing result. More recently, "less invasively" has been added to this list of goals. The development of small-diameter, high-quality rigid endoscopes and high-definition video systems has made totally endoscopic, transcanal surgery a reality in adult otology and a possibility in pediatric otology. This article reviews the anatomy of the pediatric middle ear and its surrounding airspaces and structures based on the work of dozens of researchers over the past 50 years. It will focus on the developmental changes in ear anatomy from birth through the first decade, when structure and function change most rapidly. Understanding the limits and possibilities afforded by new endoscopic technologies, the pediatric otologist can strive for results matching or exceeding those achieved by more invasive surgical approaches.

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Section: The Hypotympanummentioning

confidence: 99%

Endoscopic Anatomy of the Pediatric Middle Ear

Isaacson

2013

Otolaryngol.--head neck surg.

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“…In studies of the coronal MPR image of the petrous bone, Venema [12] recommended that the 0.5-mm collimation of the axial spiral CT could be replaced by the direct coronal sequential CT obtained with a 0.5-or 1.0-mm section thickness. Mazziotti [13] emphasized the feasibility of the coronal oblique MPR image parallel to the basal turn of the cochlea in the evaluation of the retrotympanum and hypotympanum to complete the standard CT examination. In particular, the MPR image played an important role in the surgical planning for cochlear implantation.…”

Section: Discussionmentioning

confidence: 99%

Clinical Feasibility of Multiplanar Reconstruction Images of Temporal Bone CT in the Diagnosis of Temporal Bone Fracture with Otic-Capsule-Sparing Facial Nerve Paralysis

Lim

Jun

Song

2012

Indian J Otolaryngol Head Neck Surg

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The aim of this study is to evaluate the feasibility of multiplanar reconstructive (MPR) imaging of temporal bone CT in the diagnosis of temporal bone fracture with oticcapsule-sparing facial nerve paralysis. Twelve patients with traumatic facial nerve paralysis with oticcapsule sparing and temporal bone fractures were selected. Multiplanar reconstruction images were obtained with the V-works 4.0 software program (Cybermed, Seoul, Korea) using axial scanning of high-resolution temporal bone CT of the fracture line. The clinical profiles of the patients displaying temporal bone fractures were examined in relation to the findings. Multiplanar images of the fracture line provided information regarding the direction of the external force that fractured the temporal bone. The fracture line was more continuous in the MPR images than in the axial view. All patients showed an imaginary extended fracture line directed toward the otic capsule. The direction of the fracture line toward the middle ear cavity is important, as it may suggest insult to the otic capsule. The MPR image parallel to the fracture line of the temporal bone provides a guideline for the vector of the force that induced the fracture. Thorough investigation of the critical organs during surgical exploration is recommended if the direction of the fracture in the MPR image points toward the otic capsule in the middle ear even if the fracture line relative to the otic capsule is not well defined in the axial or CT view.

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“…To our knowledge, only few published citations exist on coronal imaging of the TC; they do not, however, provide any technical indications or highlight the importance of differentiating the TC from fracture lines [3][4][5]. Besides these citations, in papers published before or after the introduction of MDCT, the TC is either not mentioned at all or only referred to in terms of detection in the axial plane in high-resolution images [6][7][8][9][10][11].…”

Section: Seconda Fasementioning

confidence: 99%

“…In letteratura esistono solo sporadiche citazioni nelle quali è riportata l'immagine coronale del CT, senza peraltro alcuna indicazione di ordine tecnico e nelle quali si evidenzia l'importanza di distinguere il CT da eventuali rime di frattura [3][4][5]. Per il resto, nella letteratura, sia precedente alla introduzione della TC multidetettore, sia in quella più recente, il CT o non viene citato o ci si riferisce ad esso solo in termini di identifi cazione esclusivamente sul piano assiale, nelle immagini acquisite ad alta risoluzione [6][7][8][9][10][11].…”

Section: Introduzioneunclassified