Imaging Diagnosis: Intracranial Mucocele in a Dog

Sessums, Kara; Lane, Stephen B.

doi:10.1111/j.1740-8261.2008.00434.x

Cited by 6 publications

(13 citation statements)

References 9 publications

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“…Few reports about mucoceles located in paranasal sinuses in dogs and cats have been documented in literature. All of the cases were localised in the frontal sinus (Harvey 1971;Gilson and Stone 1991;Hakanson 1994;L'Eplattenier and Montavon 1998;Adamo 2005;Sessums and Lane 2008). To the authors' knowledge, there has been no report of ethmoidal mucoceles that could be confused with a nasolacrimal disease.…”

mentioning

confidence: 95%

Imaging diagnosis of paranasal sinus mucocele in a Yorkshire Terrier dog

Noh¹,

Shin²,

Shin³

et al. 2021

Vet. Med.

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An 8-year-old, neutered male Yorkshire Terrier dog presented with left ventromedial canthus swelling over a one-month period, refractory to pharmacological therapy. There was no history of trauma. On ultrasonography, the lesion had a cystic character filled with anechoic fluid and hyperechoic sedimenting debris. The computed tomography (CT) and CT-dacryocystography showed a cystic lesion protruding from the lacrimal sac fossa and occupying a defect in the orbital plate and an ethmoidal ectoturbinate surrounded by a bony structure with an intact nasolacrimal system. The dog underwent the surgical resection of the cyst and its fluid content was aspirated. Ethmoid mucocele was diagnosed based on the CT, cytologic examination, bacterial culture and histopathologic findings. This case describes the imaging characteristics of an ethmoid mucocele and highlights the importance of CT and CT-dacryocystography in dogs with ventromedial canthus swelling that had poor response to medical treatment.

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mentioning

confidence: 95%

Imaging diagnosis of paranasal sinus mucocele in a Yorkshire Terrier dog

Noh¹,

Shin²,

Shin³

et al. 2021

Vet. Med.

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“…3,4 Sinus mucoceles are a rarely reported condition in veterinary medicine. Six cases have been described in the dog [5][6][7][8][9] and only one case in a cat. 10 All lesions involved the frontal sinus with reported history of head trauma in most of these animals.…”

Section: Discussionmentioning

confidence: 99%

“…[5][6][7] A giant mucocele with extension into the orbital cavity was reported in one dog 9 and extension into the cranial cavity in one dog and one cat. 8,10 In human medicine, magnetic resonance imaging (MRI) is useful in the diagnosis of mucoceles. 11,12 Mucoceles typically appear as T1weighted hypointense and T2-weighted hyperintense with MRI.…”

Section: Discussionmentioning

confidence: 99%

“…Both lesions originated from the frontal sinus and displayed intracranial extension. 8,10 In the cat, CT examination revealed increased attenuation of both frontal sinuses with a nonenhancing lesion extending from the sinus into the cranium. The frontal portion of the lesion was surrounded by homogeneous peripheral ring enhancement.…”

Section: Discussionmentioning

confidence: 99%

“…10 In the dog, MRI features were compatible with those described in humans. 8 For each of these cases, the cause of the mucocele was not determined.…”

Section: Discussionmentioning

confidence: 99%

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Magnetic resonance imaging of a giant frontal hemorrhagic mucocele with intracranial extension in a cat

Vandenberghe

Thibaud²,

Moissonnier

et al. 2018

Vet Radiology Ultrasound

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A 6-year-old domestic short-haired cat was presented with an acute onset of right cortical encephalopathy. Magnetic resonance imaging (MRI) performed 4 days after the onset of clinical signs revealed a lesion originating from the right frontal sinus with intracranial extension and compression of the right frontal lobe. The lesion was T1-weighted hypointense and T2-weighted and fluid-attenuated inversion recovery hyperintense. Signal voids within the lesion were observed on T2* images, consistent with hemorrhage. Peripheral ring enhancement was visible on postcontrast sequences. These features were consistent with a giant hemorrhagic mucocele. To the authors' knowledge, this is the first report of MRI characteristics of this lesion in a cat.

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MRI of Brain Disease in Veterinary Patients Part 2: Acquired Brain Disorders

Hecht

Adams

2010

Veterinary Clinics of North America: Small Animal Practice

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Imaging Diagnosis: Intracranial Mucocele in a Dog

Cited by 6 publications

References 9 publications

Imaging diagnosis of paranasal sinus mucocele in a Yorkshire Terrier dog

Imaging diagnosis of paranasal sinus mucocele in a Yorkshire Terrier dog

Magnetic resonance imaging of a giant frontal hemorrhagic mucocele with intracranial extension in a cat

MRI of Brain Disease in Veterinary Patients Part 2: Acquired Brain Disorders

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