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Christopher J. Elia, Marc Cabanne, Zhe Piao, Andrew Lee, Todd Goldenberg, Vaninder Chhabra
  1. Division of Neurosurgery, Riverside University Health System, Moreno Valley, Fontana, CA, USA
  2. Department of Neurosurgery, Fontana, CA, USA
  3. Department of Pathology, Fontana, CA, USA
  4. Department of Head and Neck Surgery, Fontana, CA, USA

Correspondence Address:
Christopher J. Elia
Department of Neurosurgery, Fontana, CA, USA

DOI:10.4103/sni.sni_54_18

Copyright: © 2018 Surgical Neurology International This is an open access journal, and articles are distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as appropriate credit is given and the new creations are licensed under the identical terms.

How to cite this article: Christopher J. Elia, Marc Cabanne, Zhe Piao, Andrew Lee, Todd Goldenberg, Vaninder Chhabra. A rare case of intracranial teratocarcinosarcoma: Case report and review of literature. 14-Aug-2018;9:167

How to cite this URL: Christopher J. Elia, Marc Cabanne, Zhe Piao, Andrew Lee, Todd Goldenberg, Vaninder Chhabra. A rare case of intracranial teratocarcinosarcoma: Case report and review of literature. 14-Aug-2018;9:167. Available from: http://surgicalneurologyint.com/surgicalint-articles/a-rare-case-of-intracranial-teratocarcinosarcoma-case-report-and-review-of-literature/

Date of Submission
13-Feb-2018

Date of Acceptance
02-Jul-2018

Date of Web Publication
14-Aug-2018

Abstract

Background:Teratocarcinosarcoma (TCS) is a rare malignant neoplasm with epithelial and mesenchymal components such as fibroblasts, cartilage, bone and smooth muscle. With less than 100 total reported cases, this malignant neoplasm is rarely encountered by neurosurgeons because it primarily involves the nasal cavity and paranasal sinuses.

Case Description:A 55-year-old male with chronic frontal headaches was found to have a frontal mass with involvement of nasal sinus and right ethmoid sinus. The patient underwent preoperative embolization of tumor followed by bilateral frontal craniotomy for near total resection of the tumor. Patient did well postoperatively without new neurological deficits.

Conclusion:Although cases with intracranial involvement are scarce, treatment with surgical resection with or without adjuvant treatments of chemotherapy and radiation therapy is the most widely accepted with goal for gross total resection. In our case, we achieved near total resection and the patient continues to do well without any gross neurological deficits.

Keywords: Brain tumor, neuro-oncology, neurosurgery, oncology, teratocarcinosarcoma

INTRODUCTION

Teratocarcinosarcoma (TCS) is a rare malignant neoplasm with epithelial and mesenchymal components, such as fibroblasts, cartilage, bone, and smooth muscle, with less than 100 cases described in the literature.[ 1 ] The term was first coined in 1984 by Heffner and Hyams, the key features to properly diagnose TCS are the presence of “fetal-appearing” clear-cell squamous epithelium and organoid structures such as tubular or glandular formations.[ 2 5 ] Germ cell components are absent in TCS.[ 16 18 ] Benign and malignant epithelial, mesenchymal, and neural elements are present, which include immature tissue with teratoid features.[ 4 5 ]

Nearly all reported cases of TCS arise within the nasal cavity or paranasal sinuses, with a few reports having described intracranial invasion into the dura mater or the frontal lobe at presentation or progression, as in our case.[ 5 15 16 ] Misra et al. reviewed 86 reported cases of sinonasal teratocarcinosarcoma (SNTCS) and found a strong male predilection (87%), mean age of 54.5 years; 18/86 (20.9%) cases described intracranial extension, cribriform plate, and anterior cranial fossa involvement.[ 10 ] Mean survival has been reported at 1.7 years with a 60% mortality rate within 3 years.[ 4 ] One case series of 10 patients (100% male) had no cases with intracranial and dural/or dural extension.[ 14 ] Given the rarity of intracranial involvement of this neoplasm, this tumor is rarely encountered by the neurosurgeon. We report a case of TCS and describe the surgical approach and postoperative care.

CASE REPORT

History and presentation

A 55-year-old male presented with frontal headaches 3 times a week with progressive memory problems, word-finding difficulties, and new-onset seizures. Magnetic resonance imaging (MRI) of the brain revealed a 7.0 × 6.2 × 4.4 cm enhancing mass extending across the cribriform plate and into the right anterior cranial fossa and right nasal cavity [ Figure 1 ]. The patient was initially referred to ENT for biopsy which revealed TCS; he was then referred to the neurosurgical service for further evaluation.


Figure 1

Postcontrast MRI post-contrast with AP (a) and sagittal (b) images showing enhancing lesion extending from nasal sinus to anterior cranial fossa with frontal lobe invasion. Post-operative postcontrast MRI post-contrast shows Axial axial (c) and AP (d) views with near total resection of mass

 

Operative intervention

Given the preoperative diagnosis via transnasal biopsy and presumed hypervascularity of the neoplasm, the patient underwent preoperative embolization followed by bilateral frontal craniotomy via a bicoronal incision with pericranial flap preservation. ENT assisted with exposure of the tumor using the transglabellar subcranial approach. Tumor was found to be pale and hypervascular with a dural breach in the low frontal plane with involvement of the superior ethmoid sinus [ Figure 2 ]. Endonasally, the right middle turbinate and remaining ethmoid sinuses were resected. Gross total resection was achieved with significant decrease in blood loss once the tumor was completely removed. The inferior right anterior pole of the dura just above the superior ethmoids appeared to have tumor invasion. This area of dura was resected and reconstructed using dural repair graft. Then, tisseal was placed within each intervening layer of dural graft and duragen, which was placed over the dural closure. The pericranial flap was placed in the nasoethmoidal defect and an additional 10-cc tisseal was applied. The frontal sinuses were fully cranialized bilaterally. Excess pericranium flap on the left was replaced over the frontal bone.


Figure 2

Intra-operative images delineating our designated craniotomy (a). The dysplastic appearing dura visualized once craniotomy performed (b)

 

Histological staining

Staining was positive for CK-PanAE1-3CAM52, vimentin, EMA, S100, CK 5/6, P63, synaptophysin, chromogranin, and GFAP. Staining negative for CD99 and neurofilament [ Figure 3 ].


Figure 3

H and E stain (a) shows carcinoma and sarcoma components, p63 stain (b) highlights the carcinoma with squamous differentiation, PAN-CK stain (c) highlights carcinoma components, vimentin (d) highlights sarcoma, and undifferentiated tumor component

 

Postoperative course

The postoperative course was significant for pulmonary embolism and was otherwise unremarkable. Twenty-four months postoperatively the patient is and doing well without any seizure-like activity with return to baseline neurological status. MRI showed no evidence of recurrence with expected postoperative changes [ Figure 1 ]. He completed adjuvant chemotherapy with three rounds of cisplatin therapy and radiation therapy consisting of 60 Gy in 30 fractions to the nasal cavity, frontal sinuses, and partial brain. He is back to work and is currently being weaned from antiepileptics.

DISCUSSION

TCS is a rare malignant neoplasm with epithelial and mesenchymal components. The most common presenting signs and symptoms are nasal obstruction and epistaxis, found in ~75% to 90% of documented cases.[ 4 10 13 14 ] Given the primarily intracranial involvement in our case, the presenting symptoms were neurological in nature, which is rare for this type of neoplasm. To our knowledge, this is the only documented case with seizure as a presenting symptom.

A review of literature revealed 11 cases of TCS with intracranial invasion [ Table 1 ].[ 3 6 7 8 9 16 17 19 20 21 ] Although the documented cases with predominant intracranial involvement are scarce, treatment with surgical resection with or without adjuvant treatments of chemotherapy and radiation therapy is the most widely accepted with goal for gross total resection. Despite few intracranial cases described in the literature, patients undergoing gross total resection fare better than those with subtotal resection. Further areas of research should focus on whether neo-adjuvant treatment with chemotherapy/radiation therapy can prolong life expectancy by reducing preoperative tumor burden and limiting surgical complications from blood loss and healthy tissue destruction resecting larger tumors. A case by Tchoyoson et al. described residual periventricular tumor leading to craniospinal dissemination and patient death less than 6 months after initial surgical resection, emphasizing the importance of gross total resection.[ 16 ]


Table 1

Reported cases of teratocarcinosarcoma with intracranial invasion

 

Given the multitude of cell types in this neoplasm, biopsy alone is not of high yield. TCS requires adequate sampling for proper diagnosis. Possible erroneous diagnosis include olfactory neuroblastoma, squamous cell carcinoma, undifferentiated carcinoma, adenocarcinoma, malignant craniopharyngioma, malignant mixed tumor of salivary gland type, mucoepidermoid carcinoma, adenosquamous carcinoma, and transitional carcinoma of Schneiderian type.[ 12 ] In our case, the benefit of preoperative diagnosis was utilized as an advantage to plan for preoperative embolization given the vascularity of the neoplasm.

The combined transglabellar/subcranial approach gives simultaneous exposure of the upper and lower limits of the tumor in the anterior fossa, ethmoid sinus, and sphenoid sinus for improved completeness of resection.[ 11 ] Furthermore, a standard bifrontal craniotomy allowed for limited brain retraction, adequate exposure for resection of dura along the frontal skull base with duroplasty, and gross total resection. Given the tumor's inherent predilection to the nasofrontoethmoidal cavities, adequate cranialization, exenteration, and obliteration of frontal sinus is essential. When dural invasion is suspected, as was seen in our case, it is imperative to obtain a water-tight closure to prevent pseudomeningocele formation.

CONCLUSIONS

TCS is a rare neoplasm rarely encountered by the neurosurgeon given its predilection for sinonasal involvement with majority of cases presenting with sinonasal obstruction and/or epistaxis. Neurological signs and symptoms are very rare with this neoplasm. To our knowledge, this is the first reported case with seizure as a presenting sign. Diagnosis requires ample tissue sample. Once diagnosis is established, the surgeon can plan for the optimal surgical approach to facilitate gross total resection. Goal of gross total surgical resection is standard with or without chemotherapy and/or radiation therapy. Combined ENT and neurosurgical approaches can limit the number of surgical procedures required for gross total resection. Metastasis is uncommon but has been reported in cases with postoperative residual mass

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.

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