Imaging of frontal sinus disease

Rao, Vijay M.; Sharma, Dinesh C; Madan, Ashok Kumar

doi:10.1016/s0030-6665(05)70292-9

Cited by 33 publications

(3 citation statements)

References 22 publications

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“…Sinus CT is the preferred modality for the diagnosis of mucocele [8]. However, derangements of sinus drainage are often not appreciated on imaging, since the bony laminae may lie oblique to the plane of the image slices.…”

Section: Discussionmentioning

confidence: 99%

Contralateral Orbital Mucocele as a Complication of Unilateral Nasal Polyposis

2016

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Section: Discussionmentioning

confidence: 99%

Contralateral Orbital Mucocele as a Complication of Unilateral Nasal Polyposis

2016

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“…This syndrome, consisting of multiple epidermoid or sebaceous cysts, supernumerary teeth, retinal pigmentation and intestinal polyposis, necessitates a gastrointestinal radiographic evaluation because the polyps involved are premalignant [20]. The treatment for osteoma is surgical excision, particularly if there is painful or active lesion growth [21]. …”

Section: Discussionmentioning

confidence: 99%

Two Huge Maxillofacial Osteoma Cases Evaluated By Computed Tomography

Saati¹,

Nikkerdar

Golshah

2011

Iran J Radiol

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Osteomas are benign osteogenic neoplasms or hamartomas with a very slow growth rate. Osteoma is the most common mesenchymal neoplasm of the paranasal sinuses. In the jaws, the mandible is more commonly involved than the maxilla. Osteomas may occur at any age, but most frequently are found in individuals older than 40 years. Although most osteomas are small, some may become large enough to cause severe damage, especially those that develop in the frontoethmoid region. Osteomas composed solely of compact bone are uniformly radiopaque and those containing cancellous bone show evidence of internal trabecular structure. To determine and evaluate the exact extension and internal structure of these lesions, computed tomography (CT) is a more useful imaging modality in comparison to conventional radiography. Hereby, we discuss clinical and imaging features of two osteomas (one in the ethmoid sinus and the other in the mandible) along with the main differential diagnoses and pathologic features.

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“…mucoid-filled sinuses resulting from ostial obstruction caused by inflammatory scarring, trauma or tumour) and frontal sinus tumours demonstrate an expanded sinus with gradual thinning and erosion of the bony margins. 21 Magnetic resonance imaging of mucoceles characteristically reveals a thin, peripheral, linear enhancement with central, low signal intensity on T1-weighted images. Interestingly, these findings were present in our first case.…”

Section: Discussionmentioning

confidence: 99%

Isolated fungus ball mimicking mucocele or frontal sinus tumour: a diagnostic pitfall

2009

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Objective: To demonstrate the clinical, radiological and diagnostic pitfalls of managing an isolated frontal sinus fungus ball, and to compare with the literature.Material and methods: Retrospective analysis of two cases and literature review. Results: Isolated frontal sinus fungus ball is a rare cause of frontal sinus disease. We present two cases of isolated frontal sinus fungus ball which pre-operatively were suspected to be either a tumour or a mucocele. In both cases, cheesy, clay-like material was found intra-operatively within the frontal sinus, suggesting a fungus ball. Effective treatment included surgical debridement via an exclusively endoscopic or an external approach, variously. Final histopathological and mycological analysis revealed Aspergillus fumigatus. A literature review revealed 20 reported cases of isolated frontal sinus fungus ball, confirming the low prevalence of the disease.Conclusions: Frontal sinus fungus ball should be considered in the differential diagnosis of chronic, nonspecific forehead symptoms. To evaluate the underlying disease, computed tomography scans should first be performed, followed by magnetic resonance imaging if malignancy is suspected. It is essential to be aware of the possibility of an atypical fungus ball appearance on computed tomography and magnetic resonance imaging scans. If bony destruction and calcification coexist on radiological images, then endoscopic biopsy is an indispensable part of the diagnostic procedure, and should be performed to collect material for both histological and mycological analysis, and to aid surgical planning. In cases of sinus fungus ball, an endoscopic approach for biopsy may be curative.

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Imaging of frontal sinus disease

Cited by 33 publications

References 22 publications

Contralateral Orbital Mucocele as a Complication of Unilateral Nasal Polyposis

Contralateral Orbital Mucocele as a Complication of Unilateral Nasal Polyposis

Two Huge Maxillofacial Osteoma Cases Evaluated By Computed Tomography

Isolated fungus ball mimicking mucocele or frontal sinus tumour: a diagnostic pitfall

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