Radiological findings of retroauricular dermoid with intra-calvarial extension

Sharma, Kshitij; Kocherla, Keerthi; Soni, Neelam; Bhalekar, Deepak; Kaushik, Ashish; Ujjaliya, Mayank

doi:10.18203/2349-3291.ijcp20150998

Cited by 2 publications

(6 citation statements)

References 7 publications

(7 reference statements)

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“…On MRI, dermoid cysts are hyperintense on T1-weighted sequences. On the contrary, they are variable from hypointense to hyperintense on T2-weighted images as a result of their high lipid content [4]. In our case, the lesion was not appreciated in the preoperative imaging as it was missed by the radiologist.…”

Section: Discussionmentioning

confidence: 54%

“…They tend to manifest in the 2nd-3rd decade due to the fact that they are fast growing [2]. The exact etiology of these lesion is still unknown, however most probable theories are deficient closure of fusion lines or traumatic implantation of skin elements [4]. The incidence of dermoid cysts is thought to be approximately 3 for every 10,000 pediatric patients [5].…”

Section: Discussionmentioning

confidence: 99%

“…Recurrent otitis media or unremitting serious otitis media could also occur [1]. Lastly, only two cases reported vestibular symptoms, dizziness, and unsteady walking [4].…”

Section: Discussionmentioning

confidence: 99%

“…The stroma of the cyst contains fibrous and fatty tissue. Also, it has mesodermal and ectodermal derivatives like cartilage, smooth or striated muscle, bone, salivary glands, nerves, and lymph nodes [1,4]. The definitive treatment for dermoid cysts is through complete surgical enucleation.…”

Section: Discussionmentioning

confidence: 99%

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Incidental Finding of Mastoid Dermoid Cyst During CochlearImplantation: A Case Report

Almalki¹

2021

Int J Otorhinolaryngol

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Dermoid tumors are unusual pouch-like benign growth that may be apparent at birth. Described in this report, dermoid cysts that occurred in the middle ear and mastoid bone which is quite rare. A 3 years old male presented with severe to profound sensorineural hearing loss bilaterally since birth. During cochlear prosthetic device implantation surgery, an incidental intraoperative cyst was found in the postauricular area around 5 cm behind the bony external auditory canal. In this paper, we demonstrate our management for mastoid dermoid cyst with respect to the clinical, radiological, histopathological, and surgical aspects.

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Section: Discussionmentioning

confidence: 54%

Section: Discussionmentioning

confidence: 99%

“…Recurrent otitis media or unremitting serious otitis media could also occur [1]. Lastly, only two cases reported vestibular symptoms, dizziness, and unsteady walking [4].…”

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

See 2 more Smart Citations

Incidental Finding of Mastoid Dermoid Cyst During CochlearImplantation: A Case Report

Almalki¹

2021

Int J Otorhinolaryngol

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“…Reports of intracranial and intracalvarial extension of the tumour has been reported as singular events by few authors, in which case proper radiographic investigation involving contrast enhanced computed tomography of head needs to be done for the patient preoperatively. 10,11 In the head and neck region, the prognosis of dermoid cyst is mostly favourable. Malignant transformation in a long-standing case of dermoid though extremely rare has been reported.…”

Section: Case Reportmentioning

confidence: 99%

Post-auricular dermoid cyst- uncommon lesion at an uncommon site

Kathuria¹,

Dhingra²,

Arora³

et al. 2020

Int J Otorhinolaryngol Head Neck Surg

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<p>Dermoid cyst in the post auricular region is a rare occurrence, with only a handful of cases described in the literature. It is an uncommon benign midline cyst which arises in the sub-cutaneous plane, but deeper extension into bone to intra-cranial and intra-calvarial has been reported. The usual presentation is asymptomatic, but it can present as a swelling gradually progressing in size, pain following secondary infection or rupture of the cyst. Malignant transformation of the cyst is exceedingly rare but has been reported. Here we discuss a case of a middle aged female with left dermoid cyst in the mastoid region which was excised surgically and showed no recurrence in the 6 month post-operative period. It is imperative to mention that the removal of the cyst with its wall in entirety is required to prevent recurrence. The final diagnosis is made based on the histo-pathological examination of the excised specimen. </p>

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Radiological findings of retroauricular dermoid with intra-calvarial extension

Cited by 2 publications

References 7 publications

Incidental Finding of Mastoid Dermoid Cyst During CochlearImplantation: A Case Report

Incidental Finding of Mastoid Dermoid Cyst During CochlearImplantation: A Case Report

Post-auricular dermoid cyst- uncommon lesion at an uncommon site

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