Temporal Dermoids: Three Cases and a Modified Treatment Algorithm

Lacey, Martin S.; Gear, Andrew J.L.; Lee, Adrian V.

doi:10.1097/01.sap.0000041480.89609.79

Cited by 21 publications

(17 citation statements)

References 14 publications

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“…While midline dermoids are not infrequently found to invade the cranium, there are fewer than 20 case reports which describe lateral frontotemporal dermoids with associated sinus tracts and bony invasion, of which 7 have extended intracranially [1,2,5,7,8,9,10,11,12,13,14,15]. Intradiploic dermoids represent between 0.04 and 0.7% of all cranial tumors [17].…”

Section: Discussionmentioning

confidence: 99%

“…They may appear as a lytic defect in the skull, giving a wide differential diagnosis by imaging alone. Frontotemporal dermoid cysts associated with sinus tracts or bony invasion are extremely rare, with only 20 case reports described in the literature [1,2,5,7,8,9,10,11,12,13,14,15]. We present a report of a rare intradiploic frontotemporal dermoid, without soft tissue extension, in the cranium of a 2-year-old male.…”

Section: Introductionmentioning

confidence: 96%

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Intradiploic Dermoid Cyst of the Lateral Frontotemporal Skull: Case Report and Review of the Literature

Vega¹,

Hidlay²,

Tye³

et al. 2013

Pediatr Neurosurg

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Background: Intradiploic dermoid cysts represent 0.04-0.7% of cranial tumors. Fewer than 20 cases of dermoid cysts occurring in the lateral frontotemporal region with a sinus tract and bony involvement are described, only 7 with intracranial extension. We present the first report of such a lesion arising within the lateral coronal suture. As the literature on this topic grows, the matter of preoperative imaging for soft tissue and bony lesions of the lateral frontotemporal region is evolving, and this report offers a preliminary set of criteria for when imaging is a necessity. Case Report: A 2-year-old male presented with a bony lesion in the right frontotemporal region. Since birth the lesion had grown commensurately with the patient. Examination revealed an immobile hard mass overlying the right coronal suture with no discernable abnormality. Computed tomography demonstrated a cystic lesion without evidence of intracranial extension. Intraoperatively, the exophytic lesion was fully enclosed by bony matrix, interrupting the coronal suture as it approached the pterion. Following resection, pathology revealed an intradiploic dermoid cyst. Conclusion: Intradiploic dermoid cysts occurring within patent cranial sutures away from the midline are rarely described lesions. Complete surgical resection with careful follow-up is the treatment of choice.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 96%

Intradiploic Dermoid Cyst of the Lateral Frontotemporal Skull: Case Report and Review of the Literature

Vega¹,

Hidlay²,

Tye³

et al. 2013

Pediatr Neurosurg

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“…5,10 Regardless of the inability to predict extension of the lesion or the risk of infection based on physical examination alone, the recommendation for preoperative imaging of these lesions is also inconsistent among reports. 4,7,8 Although intracranial involvement has been reported, we were unable to identify any reports of intradural extension in the literature, and excision in the absence of imaging has been described, with good results. Nevertheless, we still believe that MRI and CT scanning allow one to quantify the extent of inflammation, and to identify the presence of osseous involvement, intracranial extension, and/ or orbital extension.…”

Section: Discussionmentioning

confidence: 93%

“…Unfortunately, these findings alone do not appear to be predictive of intracranial extension. 1,[4][5][6][7][8][9][10] When considering infection, there have been no reported cases of meningitis associated with frontotemporal pits, regardless of intracranial involvement. In contrast, reports of orbital infections occurring in concert with the sinus tract are described.…”

Section: Discussionmentioning

confidence: 99%

Diagnosis and treatment of pediatric frontotemporal pits: report of 2 cases

Bliss¹,

Grant²,

Tittler³

et al. 2016

PED

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In contrast to more common nasal and cervical lesions, the frontotemporal pit is a rarely encountered lesion that is often associated with a dermoid and may track intracranially. Due to delays in diagnosis, the propensity to spread intracranially, and the risk of infection, awareness of these lesions and appropriate diagnosis and management are important. The authors present 2 cases of frontotemporal pits from a single institution. Epidemiology, presentation, and management recommendations are discussed.

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“…The tracts are not usually to the eyelids, but when they do occur, the sinus tract opening is typically situated in the frontotemporal or orbitotemporal region. Lacey et al 16 reported 3 cases of orbitotemporal dermoids with a sinus tract and bone invasion. When a sinus tract is present, recurrent infections or intermittent discharge of sebaceous material is common.…”

Section: Discussionmentioning

confidence: 99%

Ectopic cilia associated with an orbital dermoid cyst and sinus tract: case report

Krahulík¹,

Karhanová

Vaverka³

et al. 2015

PED

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Ectopic cilia are extremely rare congenital anomalies in which eyelash follicles appear in an abnormal place on the eyelid, most typically on the lateral quadrant of the anterior surface of the upper eyelid. In the majority of cases, simple surgical excision of ectopic cilia is indicated because of its cosmetic aspect. There is usually no associated medical co-morbidity with this anomaly. The authors report an unusual case of ectopic cilia associated with an orbital dermoid cyst and sinus tract. A 3-year-old boy was initially diagnosed with ectopic cilia on the left upper eyelid. There was no history of inflammation or swelling of the eyelid. An ophthalmological examination revealed only 1 mm of ptosis; no proptosis, inferior displacement, or palpable orbital mass was present. During surgical excision of the ectopic cilia, a thin sinus tract was identified, leading posteriorly to the orbit. Magnetic resonance imaging performed after the excision showed a supraorbital extraconal mass just below the roof of the left orbit. A supraorbital 2-piece craniotomy was performed with total extirpation of the dermoid cyst. The cyst was removed en bloc without damage to the extraocular muscles, but the sinus tract could no longer be identified. Follow-up MRI was performed 6 months after surgery and showed no evidence of recurrence. A follow-up ophthalmological examination showed no signs of inferior displacement or proptosis. To the best of the authors’ knowledge, this case is the first reported instance of ectopic cilia associated with a dermoid cyst and sinus tract in which no typical clinical signs and symptoms of possible orbital pathology were present. This case highlights the value of radiological examination in all cases of ectopic cilia prior to surgical excision.

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Temporal Dermoids: Three Cases and a Modified Treatment Algorithm

Cited by 21 publications

References 14 publications

Intradiploic Dermoid Cyst of the Lateral Frontotemporal Skull: Case Report and Review of the Literature

Intradiploic Dermoid Cyst of the Lateral Frontotemporal Skull: Case Report and Review of the Literature

Diagnosis and treatment of pediatric frontotemporal pits: report of 2 cases

Ectopic cilia associated with an orbital dermoid cyst and sinus tract: case report

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