Dermoid cyst: A rare intramedullary inclusion cyst

Patankar, Amey P.; J, Sheth

doi:10.4103/1793-5482.98651

Cited by 21 publications

(8 citation statements)

References 5 publications

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“…Based on the theory of embryological malformation, during the neural groove closure, the ectodermal folds are trapped under the fusion line; therefore, this is not a true neoplasm [8,9]. Although these lesions developed from an embryonic period, due to their slow-growth, do not present symptoms until adulthood [5].…”

Section: Discussionmentioning

confidence: 99%

Dermoid Cysts of Conus Medullaris

Ghadarjani

Alijani

Naseri

et al. 2018

Iran. J. Neurosurg.

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Background and Aim: Conus medullaris dermoid cysts are benign lesions, usually observed in the lumbosacral region of the spinal canal. Such lesions are often associated with congenital dermal sinus tracts and spinal dysraphism. Case Presentation: We reported a 37-year-old man with progressive paralysis distal part of the left lower limb presented to our clinic. The MRI of the lumbar spine, as a modality of choice, has revealed a well-defined sausage-shaped lesion, a multilobular cyst, and the heterogeneous contrast enhancement of an intra-and extra-medullary lesion in the conus medullaris region. Conclusion: Subtotal microsurgical resection was performed on the lesion. The result of histopathological examination confirmed the dermoid cyst, as well. After conducting the subtotal resection, an appropriate clinical result was achieved in the patient.

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Section: Discussionmentioning

confidence: 99%

Dermoid Cysts of Conus Medullaris

Ghadarjani

Alijani

Naseri

et al. 2018

Iran. J. Neurosurg.

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“…The nature of ependymal cysts may cause them to occur anywhere along the craniospinal axis ( 19 ), however, they are predominantly located in the conus medullaris ( 20 , 21 ). The etiology of the conus medullaris predominance remains unclear, although one explanation may be that the ependymal structure is more often present in the conus medullaris in the process of embryogenesis ( 22 ). Upon pathological examination of the cyst wall, a continuous lining with a single layer of epithelial cells and no a basement membrane is observed ( 23 – 25 ).…”

Section: Discussionmentioning

confidence: 99%

Coexisting intramedullary schwannoma with an ependymal cyst of the conus medullaris: A case report

Yang

et al. 2014

Oncology Letters

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Synchronous spinal intramedullary ependymal cysts and intramedullary schwannomas are rare. To the best of our knowledge, the present study is the first report of a case of intramedullary schwannoma coexisting with an ependymal cyst. A 35-year-old male presented with lower back pain and weakness in the left leg. Magnetic resonance imaging identified an intramedullary cystic-solid lesion at the thoracolumbar junction of T11-L2; based on the clinical presentation and radiological features, a pre-operative diagnosis of ependymoma was formed. Subsequently, the patient underwent a T11-12 laminectomy via a posterior approach, with intraoperative monitoring of somatosensory and motor-evoked potentials, achieving a gross total resection of the tumor with a well-demarcated dissection plane. Post-operative histopathological examination demonstrated a schwannoma coexisting with the ependymal cyst, and the neurological status of the patient markedly improved compared with the pre-operatively observed neurological deficit.

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“…The cyst presentation at different spinal levels shows a discrepancy. Two of the cases reported from India [2,3] revealed an intramedullary cyst at levels L4-S2 and C3-D2 respectively.…”

Section: Discussionmentioning

confidence: 99%

Intramedullary dermoid cyst with relatively atypical symptoms: a case report and review of the literature

et al. 2013

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BackgroundIntraspinal dermoid cysts are rare and benign tumors that occur primarily due to the defective closure of the neural tube, an ectodermal derivative, during the process of development. They are slow-growing tumors manifesting in the second and third decades of life.Case presentationWe present here a case of a 14-year-old Sindhi boy with a six-month history of paraparesis of the lower limbs and a progressive loss of power of grade 3/5, and hypoesthesia in the L4/L5 dermatomes of his right lower limb. A plain magnetic resonance imaging scan revealed a well-demarcated intraspinal intramedullary cyst containing an abscess at the level of T12 and L1 causing localized cord compression, which was producing the symptoms. Near total excision of the cyst was successfully performed and was sent for biopsy, which revealed keratinocytes and keratin flakes. With one month of follow-up, along with physiotherapeutic management, the patient gradually improved and was able to walk without support.ConclusionsCritical evaluation of every case with aggravating symptoms should be carried out, and neurological and radiological examinations should be conducted to ensure the well-being of patients.

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Dermoid cyst: A rare intramedullary inclusion cyst

Cited by 21 publications

References 5 publications

Dermoid Cysts of Conus Medullaris

Dermoid Cysts of Conus Medullaris

Coexisting intramedullary schwannoma with an ependymal cyst of the conus medullaris: A case report

Intramedullary dermoid cyst with relatively atypical symptoms: a case report and review of the literature

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