Intracranial midline dermoid and epidermoid cysts in children

Caldarelli, Massimo; Massimi, Luca; Kondageski, Charles; Rocco, Concezio Di

doi:10.3171/ped.2004.100.5.0473

Cited by 65 publications

(81 citation statements)

References 28 publications

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“…Because of their slow rate of growth, intracranial dermoid cysts are rarely discovered during infancy. 6 One study reported a mean age of 15 years at the time of diagnosis, 11 whereas other studies have documented the most common presentation with symptoms in the 3rd or 4th decade of life. 8,9,21,27 Despite their benign nature, dermoid cysts may result in serious CNS complications, such as progressive symptoms related to local mass effect, septic or aseptic meningitis, obstructive hydrocephalus, or intracranial hypertension.…”

Section: Discussionmentioning

confidence: 99%

“…For this reason, dermoid cysts should be resected early at the time of diagnosis before they involve surrounding neural or vascular tissue, even in patients lacking neurological symptoms. 6,14 In this case report, the posterior fossa dermoid cyst considerably increased in size in the span of 2.5 years. The cyst was attached to a cutaneous dermoid sinus tract and extended in the midline all the way to the fourth ventricle.…”

Section: Discussionmentioning

confidence: 99%

“…Gross-total resection whenever possible remains the mainstay of treatment for dermoid cysts. 6,14 However, this may not always be safely feasible; the cyst's capsule may be difficult to remove if it is tightly attached to surrounding parenchyma, nerves, or vasculature. 3,5,10,23 This can have particularly devastating sequelae if the capsule is adherent to the brainstem.…”

Section: Discussionmentioning

confidence: 99%

“…Symptomatic occurrence in the pediatric population is uncommon, and the discovery of completely asymptomatic dermoid cysts in this age group is exceedingly rare. 6 Gross-total resection, when possible, is the treatment of choice for these lesions.…”

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confidence: 99%

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Analysis of the growth pattern of a dermoid cyst

Fanous

Gupta

2014

PED

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Dermoid cysts are rare lesions of the CNS with a slow rate of growth. For this reason, they are rarely discovered during infancy. Although benign, these cysts may be associated with devastating complications due to mass effect or meningitis. The discovery of completely asymptomatic dermoid cysts in the pediatric population is exceedingly rare; however, correct and prompt diagnosis is crucial for early surgical treatment to minimize morbidity and mortality. The authors report the unique case of a posterior fossa dermoid cyst discovered in a 5-month-old girl and monitored for 2.5 years with serial imaging studies before performing a resection. The imaging characteristics of dermoid cysts are reviewed, and the challenges associated with the radiographic diagnosis of such lesions are discussed. Analyzing the growth of this particular cyst on MRI allowed comment, for the first time to the authors' knowledge, regarding the growth rate of dermoid cysts. Unlike true tumors, which grow in an exponential pattern, the dermoid cyst in the reported case exhibited a linear growth pattern. The increase in volume followed the classic appearance of a cuboid sequence, which is also consistent with linear growth in all 3 dimensions.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 99%

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Analysis of the growth pattern of a dermoid cyst

Fanous

Gupta

2014

PED

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“…Because of their congenital origin, these tumors typically arise between infancy and young adulthood (2). They are considered likely to arise from a defective neural tube closure, which occurs between the third and fifth weeks of gestation (2).…”

Section: Introductionmentioning

confidence: 99%

Skull Base Dermoid Cyst in the Right Infratemporal Fossa Diagnosed Using the Dixon Technique: a Case Report and Review of Literature

Kim

Baek

Ryu

et al. 2017

Investig Magn Reson Imaging

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Dermoid cysts are benign congenital tumors composed of keratinizing squamous epithelium and dermal derivatives. They account for less than 1% of all intracranial tumors and are rarely exhibited at the base of the skull. To the best of our knowledge, only one case report has presented computed tomography and conventional T1-weighted magnetic resonance (MR) findings that revealed an infratemporal dermoid cyst. In the present study, we report an unusual case of a dermoid cyst in the right infratemporal fossa, which was incidentally detected by MR imaging with the Dixon technique. This article also highlights the importance of meticulous radiological review and the usefulness of the Dixon technique in everyday clinical practice.

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Picture of the Month—Diagnosis

2010

Arch Pediatr Adolesc Med

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Meningocele M agnetic resonance imaging revealed a 1.5-cm cystic scalp lesion in the midline just superior to the cerebellum. Its enhancement paralleled the cerebrospinal fluid enhancement on all sequences, and it overlaid a skull defect. Craniectomy and excision revealed a meningocele. Most scalp lesions are benign; however, up to 37% of solitary, nontraumatic scalp nodules extend intracranially to the dura mater or brain. 1 A midline location suggests embryologic abnormalities with potential for intracranial communication. At 3 to 5 weeks of development, the cranial neural tube fuses at the midline, followed by separation of the surface ectoderm away from the neural tube. 2 Defective midline fusion results in dysraphism. The differential diagnosis for a congenital midline scalp nodule includes cephaloceles, dermoid cysts, and heterotopic brain tissue in addition to more common entities such as hemangiomas and lipomas. Similarly, a midline scalp ulceration raises concern for aplasia cutis congenita (ACC) and underlying embryologic malformation.

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Intracranial midline dermoid and epidermoid cysts in children

Cited by 65 publications

References 28 publications

Analysis of the growth pattern of a dermoid cyst

Analysis of the growth pattern of a dermoid cyst

Skull Base Dermoid Cyst in the Right Infratemporal Fossa Diagnosed Using the Dixon Technique: a Case Report and Review of Literature

Picture of the Month—Diagnosis

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