Case Reports in Otolaryngology
Volume 2018 (2018), Article ID 2745973, 5 pages
https://doi.org/10.1155/2018/2745973

Case Report

A Case of Invasive Sinonasal Carcinosarcoma: The Importance of Early Detection

Jason Yuen,¹ Vinay Varadarajan,² Marios Stavrakas,² Samiul Muquit,¹ and Hisham Khalil²

¹South West Neurosurgery Centre, Derriford Hospital, Plymouth PL6 8DH, UK
²Department of Ear, Nose and Throat, Derriford Hospital, Plymouth PL6 8DH, UK

Correspondence should be addressed to Hisham Khalil; hisham.khalil@plymouth.ac.uk

Received 20 February 2018; Accepted 19 March 2018; Published 22 April 2018

Academic Editor: Kamal Morshed

Copyright © 2018 Jason Yuen et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract.

Sinonasal carcinosarcomas represent rare neoplasms, with aggressive character and unfavourable prognosis. We present a case of extensive sinonasal carcinosarcoma extending into the anterior cranial fossa and into the orbit and also a review of the current international literature regarding this rare yet aggressive neoplasm. There is currently a lack of specific guidelines on the optimal management of sinonasal carcinosarcoma and the treatment represents a challenge for the clinician. The key message that we would like to disseminate to our colleagues is the importance of suspicion and early detection, as well as the necessity to adopt a holistic approach when counselling patients.

1. Introduction

A malignant biphasic neoplasm consisting of an epithelial (squamous) element and mesenchymal component is known as a carcinosarcoma (also known as pleomorphic carcinoma, spindle cell carcinoma, pseudosarcoma, and pseudosarcomatous squamous cell carcinoma) [1, 2] although the exact nomenclature and subclassifications are variable [3]. It is classified under squamous cell carcinoma by the World Health Organization (WHO) [4].

Carcinosarcoma may arise from any squamous epithelium (e.g., salivary glands, respiratory tract, upper aerodigestive tract, and female reproductive organs) [5], but its occurrence in the sinonasal region is extremely rare [1]. There is very little evidence available about its best management.

2. Case Presentation

A 75-year-old gentleman first presented to primary care with a three month history of left-sided headaches and diplopia. He also complained of altered taste sensation and paraesthesia in the left maxillary region. There was no history of epistaxis. The patient attended his general practitioner on multiple occasions and was given sinusitis treatment until a CT scan was finally performed due to persistence of symptoms, upon which the patient was then referred to the ENT service.

He has a background history of fast atrial flutter (on bisoprolol), hypertension, polymyalgia rheumatica, benign prostatic hyperplasia, and previously excised papillary squamous cell carcinoma in the left thigh. He quit smoking 40 years prior to presentation. Otherwise, he had lived independently with WHO performance status of 1 (Karnofsky status 90).

The patient underwent complete head and neck examination including flexible nasoendoscopy. There was no discreet neck lymphadenopathy. Nasoendoscopy revealed a mass down to the left inferior turbinate obscuring the left nasal cavity. He complained of diplopia on the left side on the lateral gaze with proptosis of approximately 3 mm compared to the contralateral side. Vision was 6/30 bilaterally with glasses. There was no relative afferent pupillary defect or papilloedema.

2.1. Investigations

Initial CT scan revealed an aggressive lesion in left ethmoidal and frontal sinuses, invading the left orbit and anterior cranial fossa. CT neck and thorax showed no cervical or chest lymphadenopathy.

Subsequent MRI imaging also showed evidence of bone erosion with breaching of the dura in the vicinity of the left orbitofrontal cortex although there was no signal change in the brain to suggest brain invasion (Figure 1). There was destruction of left lamina papyracea. An incidental right anterior cranial fossa meningioma, distant from sinonasal lesion was also identified. This pathologic finding did not have any significant clinical relevance with the primary disease.

(a)

(b)

Figure 1: MRI head scan shows breaching of dura mater. Red arrow denotes lesion of interest. (a) Axial slide. (b) Coronal slide.

A staged whole body positron-emission tomography (PET) scan showed no other distant lesions but confirmed lesion progression through the frontal sinus.

Our initial differential diagnoses were squamous cell carcinoma, carcinosarcoma, lymphoma, teratocarcinosarcoma, olfactory neuroblastoma, small cell carcinoma and alveolar rhabdomyosarcoma.

2.2. Treatment

After the diagnostic workup, the patient underwent endoscopic examination of the nose and biopsy of the lesion under general anaesthesia. Extensive disease was noted at the ipsilateral maxillary antrum. Histology revealed an extensive necrotic biphasic epithelioid, spindled malignant neoplasm in keeping with carcinosarcoma. Immunohistochemistry afterwards showed no loss of DNA mismatch repair (MMR) protein expression.

2.3. Outcome

After a successful biopsy and radiological investigative workup, the patient was discharged home. Unfortunately in the community, his preexisting comorbidities worsened, and he developed poorly controlled fast atrial flutter and urosepsis with E. Coli bacteraemia. He was readmitted for antimicrobial and supportive treatment. The patient eventually recovered and was discharged.

Discussion was undertaken at the multidisciplinary meeting and with international experts in the field. The consensus is that although the disease can potentially be resected with major surgery such as craniofacial resection, due to its location and size, surgical treatment would have significant risk of bleeding, cerebrospinal fluid (CSF) leak, and meningitis. After detailed consultation and discussion about the possible treatment options including the risks of such procedures with the patient and his family, he was not keen to proceed and opted for palliative radiotherapy and symptomatic management.

The radiotherapy dose delivered was 20 Gy in five days, then a two-week break and finally another 20 Gy in five days. One year after diagnosis, patient tolerated the radiotherapy and continued to lead an independent life.

3. Discussion

In the head and neck area, carcinosarcomas most frequently occur in the larynx and oral cavity, followed by the skin, tonsils, sinonasal tract, pharynx and hypopharynx [6, 7]. Histologically, they have been classified as part of a spectrum of sarcomatoid carcinomas, most of which present in late middle-aged men with a long history of tobacco use. They consist of foci of overt carcinoma admixed with areas of divergent differentiation into mesenchymal tissues [8]. Spindle cell formation is also typical in the sarcomatous component. A recent study suggested that a MET protooncogene mutation may be a prerequisite event in its pathogenesis [9].

Presenting symptoms of sinonasal carcinosarcomas typically include nasal obstruction, epistaxis, facial pain, and headache [10, 11]. These are rather nonspecific to the disease. They tend to grow rapidly, with extensive local destruction. Therefore, early diagnosis and aggressive therapy are necessary to improve the often dismal prognosis [2, 8].

In a Japanese case report of maxillary carcinosarcoma, the patient died despite intensive radiochemotherapy and total maxillectomy due to rapid tumour recurrence and metastasis. However, it appeared the carinomatous component responded to the radiochemotherapy but that was not the case with the sarcomatous component [11].

Nonetheless, aggressive treatment may not cease disease progression and improve survival. Cheong et al. [12] reported on a 61-year-old male patient who underwent total maxillectomy and modified radical neck dissection and died shortly afterwards with sternal metastasis, despite having had extensive surgery with curative intent.

Table 1 shows the similar cases of sinonasal carcinosarcoma reported in the literature [1, 2, 9–31]. The optimal treatment of this disease remains undetermined. It is difficult to ascertain the effectiveness of the treatment modalities (a combination of surgery, radiotherapy, and chemotherapy) from the small number of cases available in the literature. They generally confer a poor outcome and a high recurrence rate. A recent large case-control analysis of 15 sinonasal patients in America showed an average five-year disease-specific survival of 48.5%, which is significantly poorer than controls with carcinosarcoma at other anatomical sites [5]. Therefore we advocate, when patients are operatively fit with resectable disease, they should undergo aggressive surgical treatment with adjuvant radiotherapy as an attempt to improve outcome. This is because radiotherapy alone tends to convey a less favourable outcome, and the role of chemotherapy is unclear.

Table 1: Cases of sinonasal carcinosarcoma that are reported in the literature.

Number
Age (years)/sex
Location
Stage
Treatment
Outcome
Author, year

1
62/F
Maxillary sinus
ND
RT
No marked improvement of the tumor, DWD
Meyer and Shklar, 1957 [24]

2
71/M
Maxillary + ethmoid sinuses
T4aN0M0
Preoperative RT + TM + RE
ND about postoperative tumor condition, death due to intracerebral abscess at postoperative period
Feinmesser et al., 1982 [16]

3
65/F
Maxillary sinus
ND
TM + RT
LR, DWD 8 months later
Ampil, 1985 [14]

4
57/F, (postradiation)
Nasoethmoid sinus
ND
Tumor excision, ethmoidectomy and turbinectomy
LR 5 months after surgery, outcome uncertain
Hafiz et al., 1987 [17]

5
60/M
Nasomaxillary sinus
T3N0M0
TM + RT + CT
LR, DWD 2 months later (diffuse metastasis in lung and brain)
Sonobe, 1989 [11]

6
53/M
Maxillary + ethmoid sinuses
T4aN0M0
TM + craniofacial resection + RT + CT
Disease free after 9 months
Shindo et al., 1990 [2]

7
81/F
Maxillary sinus
T3N0M0
TM + RT + 2nd operation
LR, DWD 3 months after second operation
Sanabre et al., 1998 [27]

8
47/M
Maxillary sinus
ND
PM+RT
LR, DWD after 1 year
Furuta et al., 2001 [10]

9
54/M
Maxillary sinus
T3N3M0
RT + CT
DWD 4 months; possibly from lung metastasis
Howard et al., 2007 [19]

10 case series (19 cases)
Mean age at diagnosis 54 (range, 42–66)
Male 11
Female 8
Sinonasal track, unclear exact locations
T1/2 3
T3/4 16
N0 19
M0 19
Surgery alone 2
Surgery and RT
7, RT alone 2
CT + RT 2
Mean follow-up 38 months (6–40)
5 with disease at last follow-up
0 death at follow-up
Doshi et al., 2010 [15]

11
75/M
Nasal cavity
T4N0M0
Surgery + CT + RT
Disease-free after 5 years
Terada and Kawasaki, 2011 [30]

12
60/M
Maxillary sinus and nasal cavity
Unclear
CT + RT
DWD after 9 months
Terada, 2011 [29]

13
29/F
Nasopharyngeal
T1N2cM0
RT
Clinically free-of-disease 2 months after RT
Lim et al., 2012 [22]

14
60/M
Maxillary + ethmoid sinuses
T3N0M0
TM + RT + CT
LR, FL
Moon, 2013 [1]

15
29/M
Nasal cavity
T2N0M0
Surgery
Disease-free after 6 months
Gupta, 2013 [32]

16
52/M
Frontal, sphenoid, ethmoid, and maxillary sinuses
T4aN0M0
TM + RT + CT
LR
Alem and AlNoury, 2014 [13]

17
61/M
Maxillary sinus
T4aN2cM1
TM with modified neck dissection
DWD shortly after surgery with sternal metastasis
Cheong et al., 2014 [12]

18 case series (15 cases)
Mean age at diagnosis 60.3 (SD, ±21.3)
Male 6
Female 9
Nasal cavity 7
Maxillary sinus 5
Ethmoid sinus 1
Frontal sinus 1
Sphenoid sinus 1
T1/2 3
T3/4 10
TX 2
N0 9
N+ 0
NX 6
M0 14
M1 0
MX 1
Surgery alone 3
surgery and RT 7
RT alone 4
No therapy 1
Five-year disease-specific survival of 48.5%
Patel et al., 2015 [5]

19
66/M
Maxillary sinus
T3N0M0
PM + RT + CT
LR, DWD 10 months after initial presentation
Ando et al., 2015 [9]

20
78/F
Ethmoid sinus
T4N0M0
Surgery + RT
Disease-free after 36 months
Iqbal et al., 2015 [20]

21
66/M
Maxillary sinus
Recurrence
Palliative
DWD after 12 months

22
68/M
Maxillary sinus
Recurrence
Palliative
DWD after 1 month

23
46/M
Maxillary sinus
T4N0M0
Palliative
DWD after 5 months

24
54/M
Sphenoid sinus
T4 N and M unclear
Surgery + CT + RT
DWD after 12 months
Liu et al., 2016 [23]

25
55/M
Maxillary sinus
T4aN0M0
RT
No significant effect, died 4 months after initial examination
Hasnaoui et al., 2017 [18]

26
35/F
Maxillary sinus
T4N0M0
PM + CT + RT
DWD after 12 months
Soltani et al., 2018 [28]

27
75/M
Ethmoid + frontal sinuses
T4aN0M0
RT
Remained independent after 12 months
Our case, 2018

ND, not described; RT, radiation therapy; DWD, dead with disease; TM, total maxillectomy; RE, removal of eye; LR, local recurrence; CT, chemotherapy; PM, partial maxillectomy; FL, follow-up loss; LNs, lymph nodes.

Since the optimal management of carcinosarcoma remains uncertain, it is intuitive to study a related but separate (also highly aggressive) entity known as teratocarcinosarcoma [26, 33–35]. This tumour type also includes a component of neuroectodermal tissue and is much more prevalent in the medical literature. According to a recent systemic review of 49 patients, it is recommended that optimal treatment involves radical surgical resection followed by radiation therapy [25].

If more doctors are aware of this condition and the associated presenting symptoms, perhaps earlier diagnoses can be made. Therefore, patients may potentially get the option of a curative total resection, since the invasion of the skull base and surrounding structures is a poor prognostic factor.

In conclusion, sinonasal carcinosarcomas represent rare neoplasms, with aggressive character and unfavourable prognosis. Here we present a case of extensive sinonasal carcinosarcoma extending into the anterior cranial fossa and into the orbit and also a review of the current international literature regarding this rare yet aggressive neoplasm. There is currently a lack of specific guidelines on the optimal management of sinonasal carcinosarcoma, and the treatment represents a challenge for the clinicians. The key message that we would like to disseminate to our colleagues is the importance of suspicion and early detection, as well as the necessity to adopt a holistic approach when counselling patients.

Consent

The patient has consented for publication in written form.

Conflicts of Interest

The authors declare that there are no conflicts of interest regarding the publication of this article.

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