squamous cell carcinoma survival rate
MSD Manual Please confirm that you are a health professional Leave this place? The link you selected will take you to a third party website. We do not control or have responsibility for the content of any third party site. OTHER COUNTRIES IN THIS CHAPTER ADDITIONAL CONTENT Try your knowledge More content Oral squamous cell carcinoma By , MD, Montefiore Medical Center, The University Hospital of Albert Einstein College of Medicine (See also .) Organic squamous cell carcinoma affects about 34,000 people in the US every year. In the United States, 3% of male cancers and 2% in females are oral squamous cell carcinomas, most of which occur after 50 years. As in most of the head and neck sites, squamous cell carcinoma is the most common oral cancer. The main risk factors for the risk factors of squamous oral squamous cell carcinoma Fumar (especially ≥ 2 packs/day)Use of alcoholRisk increases dramatically when alcohol consumption exceeds 6 oz of distilled liquor, 15 oz of wine, or 36oz of beer/day. It is estimated that the combination of heavy smoking and alcohol abuse increases the risk 100 times in women and 38 times in men. Squamous cell carcinoma of the tongue may also result from any chronic irritation, such as dental caries, overuse of oral washing, chewing tobacco, or use of chid betel. Oral human papillomavirus (HPV), usually acquired by oral-genital contact, may have a role in the etiology of some oral cancers; however, HPV is identified in oral cancer much less frequently than in . About 40% of intraoral squamous cell carcinomas begin on the floor of the mouth or on the side and ventral surfaces of the tongue. About 38% of all oral squamous cell carcinomas occur in the lower lip; they are usually solar-related cancers on the outer surface. Symptoms and signs Oral injuries are initially asymptomatic, highlighting the need for oral detection. Most dental professionals carefully examine oral cavity and oropharynx during routine care and can do a brush biopsy of abnormal areas. The lesions may appear as areas of erytroplakia or leucooplakia and may be exopathic or ulcerated. Cancers are often indurated and firm with a coiled border. As the lesions increase in size, pain, dysarria and dysphagia can result. This photo shows an approach to the inside of the mouth (the oral mucosa) in a patient with squamous cell carcinoma of the oral mucosa. Erythroplakia is a general term for lesions of red velvet, flat or eroded that develop in the mouth. In this image, a squamous cell carcinoma exophytes in the tongue is surrounded by a margin of eritroplakia. Leukoplakia is a general term for white hyperkeratotic plates that develop in the mouth. About 80% are benign. However, in this image, squamous cell carcinoma is present in one of the leucooplakic lesions on the ventral surface of the tongue (fleight). Diagnosis BiopsyEndoscopy to detect second primary cancer chest and CT scan of the head and neck Any suspicious area should be biopsy. Incision or brush biopsy can be done depending on the surgeon's preference. Direct laryngoscopy and esophagusoscopy are performed in all patients with oral cavity cancer to exclude a second simultaneous primary cancer. Head and neck CT is usually done and a chest X-ray is made; however, as in most of the sites in the head and neck, PET/CT has begun to play a more important role in evaluating patients with oral cavity cancer. (See Table .)Lip and Oral Cancer Building Stage Tumor (Maximum Penetration)* Regional lymph node metastasis distant metastases I T1 N0 M0 II T2 N0 M0 III T3 or N0 M0 T1-3 N1 M0 VAT T1-3 N2 M0 T4a N0-2 M0 IVB T4b Any N M0 Any T N3 M0 IVC Any T Any N M1 ♪ Definition of primary tumor (T) T1 Tumor ≤ 2 cm with DOI (invasion depth, not tumor thickness) ≤ 5 mm T2 Tumor ≤ 2 cm with DOI 5 mm or tumor ≥ 2 cm and ≤ 4 cm with DOI ≤ 10 mm T3 Tumor 2 cm and ≤4 cm with DOI ≥ 10 mm Or tumor 4 cm with DOI ≤ 10 mm T4a Moderately advanced local disease Lip: The tumor invades through the cortical bone or involves the lower alveolar nerve, the floor of the mouth or the skin of the face (e.g. the chin or nose) Oral cavity: Tumor 4 cm with DOI ≥ 10 mm Or tumor invades adjacent structures only (e.g. through the mandible or maxillary bone, or involves the maxillary sinus or the skin of the face) Note: The superficial erosion of bone/total (only) taking by a gynagival primary is not enough to classify a tumor like T4. T4b Very advanced local disease Tumor invades chewing space, pterygoid plates, or cranial base and/or internal carotid artery case † Definition of regional lymph nodes (N) N1 Metastasis in a single ipsilateral node, ≤ 3 cm and no extranodal extension N2 Metastasis in a single ipsilateral node 3 cm but ≤ 6 cm and no extranodal extension; or in multiple ipsilateral nodes ≤ 6 cm and no extranodal extension; or in bilateral or counter-lateral nodes ≤ 6 cm and no extranodal extension N3 Metastasis in a node of 6 cm and no extranodal extension; or in any node and extranodal extension ‡ Definition of distant metastases (M) M0 No distant metastases M1 distant metastases Data from Amin MB, Edge S, Greene F, Byrd DR, et al: American Joint Committee on Cancer (AJCC) Cancer Staging Manual, 8th Edition. New York, Springer, 2017; AJCC Cancer Staging Form Supplement, 2018. For a comparison of the seventh and eighth edition, see: Comparison of the American Joint Cancer Committee on oral cavity staging systems. Laryngoscope, 128(10):2351-2360, 2018. doi: 10.1002/lary.27205 Stage Tumor (Maximum Penetration)* Regional lymph node metastasis distant metastasis1N0M0IIT2N0M0IIIT3 oN0M0 T1-3N1M0IVAT1-3N2M0 T4aN0-2M0IVBT4bAny NM0 Any TN3M0IVC Any TAny NM1 ♪ Definition of primary tumor (T)T1Tumor ≤ 2 cm with DOI (in depth of invasion, not tumor thickness) ≤ 5 mmT2Tumor ≤ 2 cm with DOI 5 mm Or tumor √ 2 cm and ≤ 4 cm with DOI ≤ 10 mmT3Tumor 2 cm and ≤4 cm with DOI ≥ 10 mm Oral tumor T4bVery advanced local diseaseTumor invades chewing space, pterygoid plates, or cranial base and/or internal carotid artery case † Definition of regional lymph node (N)N1Metastastasis in a single ipsilateral node, ≤ 3 cm and no extranodal extensionN2Metasis in a single ipsilateral node ≥ 3 cm but ≤ 6 cm and no extranodal extension; or in multiple no ipsilateral nodes ≤ 6 cm and no extranodal extension; or in non-extremedal nodes ‡ Definition of distant metastases (M)M0No distant metastasesM1 distant metastases Amin MB, Edge S, Greene F, Byrd DR, et al: American Joint Committee on Cancer (AJCC) Cancer Staging Manual, 8th edition. New York, Springer, 2017; AJCC Cancer Staging Form Supplement, 2018. For a comparison of the seventh and eighth edition, see: Comparison of the American Joint Cancer Committee on oral cavity staging systems. Laryngoscope, 128(10):2351-2360, 2018. doi: 10.1002/lary.27205 Prognosis If the language carcinoma is located (without the involvement of lymph nodes), the 5-year survival is ± 75%. For the localized carcinoma of the soil of the mouth, the 5-year survival is 75%. Lymph node metastasis decreases the survival rate to an average. Metastasis reaches regional lymph nodes first and then the lungs. For lower-lip lesions, 5-year survival is 90%, and metastases are rare. The carcinoma of the upper lip tends to be more aggressive and metastatic. Treatment Surgery, with postoperative radiation or chemoradiation as needed For most oral cavity cancers, surgery is the initial treatment of choice. Radiation or chemoradiation is added postoperatively if the disease is more advanced or has high-risk features. (See also the summary of the National Cancer Institute.)Selective dissection of the neck is indicated if the risk of nodal disease exceeds between 15 and 20%. Although there is no firm consensus, neck dissections are usually performed for any lesion with a depth of invasion ≥ 3.5 mm. Routine surgical reconstruction is the key to reducing postoperative oral disabilities; procedures range from local tissue flaps to free tissue transfers. Speech therapy and swallowing may be necessary after significant resection. Radiation therapy is an alternative treatment. Chemotherapy is not routinely used as primary therapy, but is recommended as adjuvant therapy along with radiation in patients with advanced nodal disease. Treatment of squamous cell carcinoma of the lip is surgical excision with reconstruction to maximize postoperative function. When large areas of the lip display premalignant change, the lip may be surgically shaved, or a laser may remove any affected mucosa. Mohs surgery can be used. From then on, the proper application of sunscreen is recommended. Key points The main risk factors for oral squamous cell carcinoma are tobacco and alcohol consumption. Oral cancer is sometimes asymptomatic initially, so oral detection (typically by dental professionals) is useful for early diagnosis. Make direct laryngoscopy and esophagoscopy to exclude a second simultaneous primary cancer. Once the cancer has been confirmed, make head and neck CT and a chest x-ray or PET/CT. Initial treatment is usually surgical. More information The next resource in English can be useful. Please note that THE MANUAL is not responsible for the content of this resource. National Cancer Institute Summary: Was this page helpful? 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