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Workplace exposure and nasal/paranasal sinus cancer

Home / HCG in News / Workplace exposure and nasal/paranasal sinus cancer

   April 18, 2022

Workplace exposure and nasal/paranasal sinus cancer

Multiple risk factors can increase a person’s chances of developing nasal cavity (nose) and paranasal sinus cancer. Occupational exposure to chemicals that have been inhaled is a prominent risk factor amongst others.

As per retrospective analysis and cohort studies from individuals engaged in certain occupations where exposure to certain chemicals is inevitable, there are a number of substances like hexavalent chromium and occupational circumstances that cause or possibly cause sinus cancer.

Certain occupations increase the risk of developing a nasal cavity and paranasal sinus cancer. Occupational exposure to wood and leather dust has been linked to nasal and paranasal sinus cancer. Sinonasal tumours have also been observed in the footwear-making industry due to exposure to leather soles and heels dust. High risks have also been observed in farming, construction sites, metal industry particularly nickel and chromium.

Workers exposed to nickel compounds in nickel refining, cutlery manufacturers, and alkaline battery manufacture, or to hexavalent chromium in the production of chromate and chrome plating, have been found to be susceptible to nose and nasal sinus cancers.

Across the world, five countries with the highest number of deaths from nasal and paranasal sinus cancer are India, China, Pakistan, Bangladesh and Russia.

About nasal and paranasal sinus cancer

Cancer develops when healthy cells in the body mutate and expand uncontrollably, generating a mass known as a tumour. A tumour might be malignant or benign. Benign tumours are those which have no chance of distant spread and can be treated by surgery alone. Malignant tumours would need multi-modality treatment which includes surgery followed by Radiation/Chemoradiation.

The nasal cavity is the space that starts at the nostrils anteriorly and ends at the posterior nares. Nasal cavity and paranasal sinus cancer are malignant tumours that develop in the head and neck region. Although paranasal sinus cancer can occur in any of the sinuses, it is most commonly found in the maxillary sinus.

Cancer of the nasal cavity or paranasal sinus is more common as people grow older. It occurs twice as often in men as women, and four out of five cases are diagnosed in people aged 55 years and up.

The nasal cavity and paranasal sinuses include a variety of tissues, each of which contains a variety of cells. Each of these cells can result in a different type of cancer. The types of cancer that may develop from these cells include:

  • Squamous cell carcinoma begins in the squamous cells that make up the surface layer of the structure of the head and neck
  • Adenocarcinoma begins in the glandular cells
  • Melanoma develops from cells called melanocytes.
  • Inverted papilloma
  • Esthesioneuroblastoma is related to the nerves that cause the sense of smell
  • Midline granuloma causes the breakdown of tissues of the nose, sinuses, and neighboring tissues
  • Lymphoma is the cancer of the lymphatic system
  • Sarcoma begins in the muscles, bone, or connective tissues

The causes of each type of nasal and paranasal sinus cancer may be unclear, however, there are certain risk factors that cause the normal cells to become cancerous. Some risk factors, such as workplace exposure to specific chemicals, may induce these cancers by causing DNA damage in cells that line the inside of the nose and sinuses.

Symptoms and signs

Most nasal cavity and paranasal sinus cancers are discovered as a result of the complications they create. People who have nasal cavity or paranasal sinus cancer may encounter the following symptoms:

  • Severe nasal congestion
  • Pain and swelling in the face, eyes, or ears
  • Nasal bleeding (Epistaxis)
  • Forward bulging eyeball (Proptosis)
  • Double vision (Diplopia)
  • Restricted eyeball movements
  • Headache
  • Loss of hearing
  • Constant watery eyes
  • Pain or pressure in one of the ears
  • Loss or change in vision
  • Impaired sense of smell
  • Pus draining from the nose
  • A lump or mass on the face, palate, or inside the nose

Prevention

You can lower your risk of nasal and paranasal tumours by taking the following precautions at work.

Issues to be addressed regarding wearing proper safety gear, like a face mask, etc. to prevent inhaling harmful chemicals or dust particles.

Having one or more symptoms does not imply that you have cancer of the nasal cavity or paranasal sinuses. Many of these symptoms, in fact, are more likely to be caused by other illnesses. Still, if you experience any of these symptoms, you should consult a doctor so that the underlying reason can be identified and treated at the earliest.

– By Dr. Ankit Mahuvakar, Head and Neck Onco-surgeon at HCG Cancer Centre, Mumbai

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