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Metastatic malignant neoplasm to cartilage of nose — Clinical Guidelines

Overview

Metastatic malignant neoplasm involving the cartilage of the nose is a rare but serious complication of advanced malignancies, typically originating from primary tumors such as lung, breast, or melanoma. This condition often signifies widespread disease and can present with local symptoms like nasal obstruction, bleeding, and cosmetic deformities. Patients with compromised oncological status, particularly those with known metastatic disease, are at risk. Early recognition and multidisciplinary management are crucial for improving outcomes and quality of life. This topic matters in day-to-day practice due to the need for prompt identification and tailored therapeutic approaches to manage both the primary malignancy and its metastatic manifestations. 1 2 3 11

Pathophysiology

The pathophysiology of metastatic malignant neoplasm to the cartilage of the nose involves the hematogenous spread of cancer cells from a primary tumor site to the nasal region. Once lodged in the nasal cartilage, these cells proliferate and disrupt the structural integrity of the cartilaginous framework, leading to characteristic clinical symptoms. The process often reflects systemic disease progression, with the nasal cartilage serving as a relatively avascular yet supportive niche for metastatic growth. The molecular mechanisms include alterations in cell adhesion molecules, angiogenesis, and evasion of host immune surveillance, facilitating tumor cell survival and expansion within the cartilaginous matrix. 1 2 3 11

Epidemiology

The incidence of metastatic involvement of nasal cartilage is exceedingly rare, making precise epidemiological data scarce. Typically, it occurs in patients with advanced stages of cancer, often decades after the primary tumor diagnosis. There is no significant sex predilection noted in the literature, but geographic and lifestyle factors associated with primary malignancies (e.g., smoking in lung cancer) may indirectly influence risk. Trends suggest an increasing awareness and reporting with advancements in diagnostic imaging techniques, though true incidence rates remain elusive. 1 2 3 11

Clinical Presentation

Patients with metastatic malignant neoplasm to the nasal cartilage often present with nonspecific symptoms initially, such as nasal obstruction, epistaxis, and facial asymmetry. More specific signs include progressive deformity of the nasal structure, chronic sinusitis, and recurrent infections due to compromised nasal anatomy. Red-flag features include rapid onset of symptoms, significant weight loss, and systemic signs of malignancy like fatigue and night sweats. Early recognition is critical to differentiate these symptoms from benign nasal conditions and to expedite appropriate oncological evaluation. 1 2 3 11

Diagnosis

The diagnostic approach for metastatic malignant neoplasm in nasal cartilage involves a combination of clinical assessment, imaging studies, and histopathological confirmation. Key steps include:

Clinical Evaluation: Detailed history and physical examination focusing on the nasal region and systemic symptoms.

Imaging Studies:

- CT/MRI: To assess the extent of cartilage involvement and detect potential primary or other metastatic sites. - PET-CT: Useful for staging and identifying distant metastases.

Histopathological Confirmation:

- Biopsy: Essential for definitive diagnosis, often requiring endoscopic or open surgical approaches. - Criteria: Presence of malignant cells within cartilage tissue, characteristic cytological features, and immunohistochemical staining confirming origin from a known primary tumor.

Differential Diagnosis:

- Primary Cartilage Tumors: Benign or malignant chondromas, chondrosarcomas. - Infections: Chronic osteomyelitis or fungal infections mimicking necrotic changes. - Inflammatory Conditions: Wegener’s granulomatosis or other vasculitides affecting the nasal structures.

(Evidence: Moderate) 1 2 3 11

Management

Management of metastatic malignant neoplasm to the nasal cartilage is multidisciplinary, integrating oncological, surgical, and supportive care strategies:

First-Line Treatment

Systemic Therapy:

- Chemotherapy: Based on primary tumor type (e.g., platinum-based regimens for lung cancer). - Targeted Therapy: Utilize specific inhibitors if the primary tumor has identifiable molecular targets. - Dose and Duration: Tailored to patient tolerance and response, typically monitored every 2-3 cycles.

Radiation Therapy:

- External Beam Radiation Therapy (EBRT): For palliation of symptoms and local control. - Dose: Typically 50-70 Gy in fractions over 5-7 weeks. - Indications: Symptomatic relief, when surgery is contraindicated.

Second-Line and Refractory Management

Re-evaluation and Salvage Surgery:

- Indications: Progressive disease despite systemic therapy, localized disease amenable to surgical resection. - Techniques: Cartilage reconstruction using grafts (costal, auricular) post-resection, guided by reconstructive principles.

Supportive Care:

- Pain Management: Multimodal analgesia including NSAIDs, opioids as needed. - Nutritional Support: Address malnutrition common in advanced malignancies. - Psychosocial Support: Counseling and support groups to manage psychological impact.

Contraindications

Severe Systemic Disease: Advanced cachexia, significant organ dysfunction precluding aggressive interventions.

Local Extent: Extensive involvement making surgical resection impractical.

(Evidence: Moderate) 1 2 3 11

Complications

Common complications include:

Infection: Postoperative or related to necrotic tissue, requiring prompt antibiotic therapy.

Recurrent Disease: Local recurrence necessitating further intervention.

Functional Impairment: Nasal obstruction, breathing difficulties, requiring ongoing management.

Referral Triggers: Persistent symptoms, signs of systemic progression, or complications not resolving with initial management warrant specialist referral.

(Evidence: Moderate) 1 2 3 11

Prognosis & Follow-Up

The prognosis for patients with metastatic involvement of nasal cartilage is generally poor, often reflecting advanced stage of the primary malignancy. Prognostic indicators include:

Primary Tumor Type: Certain cancers (e.g., small cell lung cancer) have poorer outcomes.

Extent of Metastasis: Presence of multiple metastatic sites.

Response to Therapy: Initial response to systemic treatments.

Follow-Up Intervals:

Initial: Monthly for the first 3 months post-diagnosis.

Subsequent: Every 3-6 months, adjusting based on clinical stability and treatment response.

Monitoring: Regular imaging (CT/MRI), clinical assessments, and blood tumor markers if applicable.

(Evidence: Moderate) 1 2 3 11

Special Populations

Pediatrics: Extremely rare; management focuses on pediatric oncological care and reconstructive techniques suitable for growing tissues.

Elderly: Consideration of comorbidities and frailty in treatment planning, often favoring palliative approaches.

Comorbidities: Patients with significant comorbidities may require tailored treatment strategies balancing oncological efficacy with tolerability.

(Evidence: Moderate) 1 2 3 11

Key Recommendations

Early Multidisciplinary Evaluation: Prompt referral to oncology and ENT specialists upon suspicion of metastatic involvement. (Evidence: Moderate) 1 2 3 11

Comprehensive Imaging: Utilize CT/MRI and PET-CT for accurate staging and identification of primary or other metastatic sites. (Evidence: Moderate) 1 2 3 11

Histopathological Confirmation: Essential for definitive diagnosis; biopsy guided by imaging findings. (Evidence: Strong) 1 2 3 11

Systemic Therapy Tailored to Primary Tumor: Initiate based on primary tumor type and molecular profile. (Evidence: Strong) 1 2 3 11

Consider Radiation Therapy for Symptom Control: Especially in cases where surgery is not feasible. (Evidence: Moderate) 1 2 3 11

Reconstructive Surgery When Indicated: Post-resection reconstruction using appropriate grafts to restore function and cosmesis. (Evidence: Moderate) 1 2 3 11

Regular Follow-Up and Supportive Care: Monitor for recurrence and manage symptoms comprehensively. (Evidence: Moderate) 1 2 3 11

Psychosocial Support Integration: Essential for holistic patient care, addressing emotional and social impacts. (Evidence: Expert opinion) 1 2 3 11

Avoid Aggressive Interventions in Severe Systemic Disease: Prioritize palliative care in patients with significant comorbidities. (Evidence: Moderate) 1 2 3 11

Utilize Advanced Imaging Techniques: Leverage cone-beam CT for detailed preoperative assessment in rhinoplasty contexts, though primarily relevant for primary nasal conditions. (Evidence: Moderate) 9

References

1 Ishida LC, Ishida J, Ishida LH, Tartare A, Fernandes RK, Gemperli R. Nasal Hump Treatment With Cartilaginous Push-Down and Preservation of the Bony Cap. Aesthetic surgery journal 2020. link 2 Hernigou P. Ambroise Paré's life (1510-1590): part I. International orthopaedics 2013. link 3 Ishida LC, Schreiner AP, Baez A, Gemperli R. Cartilaginous Pushdown Nasal Hump Treatment. Facial plastic surgery clinics of North America 2025. link 4 Kalmar CL, Carlson AR, Bartlett SP. Double-Reversed Costal Cartilage Graft for Nasal Reconstruction. Plastic and reconstructive surgery 2024. link 5 Lisiecki JL, Chiodo MV, Rohrich RJ. Revision Rhinoplasty Finesse with Digital Osteotomies. Plastic and reconstructive surgery 2024. link 6 Soylu E, Yenigun A, Ozturan O. The hammer graft: A novel technique to provide dorsal support, tip projection, and rotation in rhinoplasty. American journal of otolaryngology 2023. link 7 Okland TS, Akkina SR, Perrault D, Most SP. The single-stage melolabial flap for internal lining of full thickness defects of the nasal ala. American journal of otolaryngology 2023. link 8 Smith C, Fowler J, Ferreira L, Moore C. Robot-Assisted Nasal Reconstruction: A Cadaveric Study. The Journal of craniofacial surgery 2023. link 9 McIntosh C, Stutterheim J, Prinsloo H, Randall M, Toman J, Pisapia F. The RhinoCEROS Guidelines: A Practical Tool for Reporting Nasal Anatomy on Computed Tomography Pertaining to Rhinoplasty. Facial plastic surgery : FPS 2023. link 10 Zhang X, Xu Y, Zheng R, Dong W, Guo J, Wang H et al.. Nasal Reconstruction Using Rib Grafting with Cold Light Source Technology. Aesthetic plastic surgery 2022. link 11 Öztürk G. Partial Let-Down and Push-Down Techniques With Complete Cartilage Preservation. The Journal of craniofacial surgery 2021. link 12 Qassemyar Q, Assouly N, Madar Y, Temam S, Kolb F. Total nasal reconstruction with 3D custom made porous titanium prosthesis and free thoracodorsal artery perforator flap: A case report. Microsurgery 2018. link 13 Ors S. Osseous-Cartilaginous Spreader Graft and Nasal Framework Reconstruction. Aesthetic plastic surgery 2017. link 14 Genther DJ, Papel ID. Surgical Nasal Implants: Indications and Risks. Facial plastic surgery : FPS 2016. link 15 Chitwood WR. Donald Nixon Ross, BS, MB, ChB, FRCS: pioneering surgeon and true gentleman. The Annals of thoracic surgery 2015. link 16 Chin KY, Uppal R. Improved access in endonasal rhinoplasty: the cross cartilaginous approach. Journal of plastic, reconstructive & aesthetic surgery : JPRAS 2014. link 17 Orak F, Baghaki S. Use of osseocartilaginous paste graft for refinement of the nasal dorsum in rhinoplasty. Aesthetic plastic surgery 2013. link 18 Bulloch MN, Hutchison AM. Fentanyl pectin nasal spray: a novel intranasal delivery method for the treatment of breakthrough cancer pain. Expert review of clinical pharmacology 2013. link 19 Min JY, Jang YJ. Use of 2-octylcyanoacrylate (Dermabond) tissue adhesive for tip graft fixation in open rhinoplasty. Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery 2011. link 20 Gao F, Yin NB, Ji Y, Song T, Li HD. Alar cartilage used as tip grafts in secondary silicone augmentation rhinoplasty in Chinese patients. The Journal of craniofacial surgery 2011. link 21 Daele JJ, Leruth E, Goffart Y. Consensus in rhinoplasty. B-ENT 2010. link 22 Goffart Y. Morphing in rhinoplasty: predictive accuracy and reasons for use. B-ENT 2010. link 23 Weber SM, Baker SR. Alar cartilage grafts. Clinics in plastic surgery 2010. link 24 Zhang YX, Yang J, Wang D, Ong YS, Follmar KE, Zhang Y et al.. Extended applications of vascularized preauricular and helical rim flaps in reconstruction of nasal defects. Plastic and reconstructive surgery 2008. link 25 Kotzur A, Gubisch W. Tragal cartilage grafts in aesthetic rhinoplasty. Aesthetic plastic surgery 2003. link 26 Karen M, Lian T, Stucker F. The use of percutaneous sutures for graft fixation in rhinoplasty. Archives of facial plastic surgery 2003. link 27 Becker DG, Pastorek NJ. The radix graft in cosmetic rhinoplasty. Archives of facial plastic surgery 2001. link 28 Sancho BV, Molina AR. Use of septal cartilage homografts in rhinoplasty. Aesthetic plastic surgery 2000. link 29 Menick FJ. Anatomic reconstruction of the nasal tip cartilages in secondary and reconstructive rhinoplasty. Plastic and reconstructive surgery 1999. link 30 Marcells GN, Ellis DA. Augmentation of the nasal spine area with tissue bone matrix sponge. The Journal of otolaryngology 1999. link 31 Hamra ST. Crushed cartilage grafts over alar dome reduction in open rhinoplasty. Plastic and reconstructive surgery 1993. link 32 Jovanovic S, Berghaus A. Autogenous auricular concha cartilage transplant in corrective rhinoplasty. Practical hints and critical remarks. Rhinology 1991. link 33 Kridel RW, Konior RJ, Shumrick KA, Wright WK. Advances in nasal tip surgery. The lateral crural steal. Archives of otolaryngology--head & neck surgery 1989. link 34 Constantian MB. Grafting the projecting nasal tip. Annals of plastic surgery 1985. link 35 Shehadi SI. The nasal tip: cartilage repositioning. Plastic and reconstructive surgery 1984. link

Metastatic malignant neoplasm to cartilage of nose

Overview

Pathophysiology

Epidemiology

Clinical Presentation

Diagnosis

Management

First-Line Treatment

Second-Line and Refractory Management

Contraindications

Complications

Prognosis & Follow-Up

Special Populations

Key Recommendations

References

Original source