Important Clinical and Histological features of Oral Carcinomas or Malignancies

Oral Carcinomas or Malignancies are becoming more and more prevalent due to the oral habits like smoking, ghutka chewing, alcohol etc. With the increase of such habits the incidence of malignancies have also drastically increased. With Squamous cell carcinoma being one of the most common carcinoma of Oral cavity and other carcinomas affecting the Oral cavity involving the various types of tissues like oral mucosa, bone, tongue etc.

Here are some important points about Oral carcinomas which are worth reading which will help in understanding Oral malignancies better and also help in competitive examinations and these are the most commonly asked questions regarding malignancies surrounding the oral cavity.

  1. Most common malignancy of oral cavity: Squamous cell carcinoma
  2. Most common bone cancer: Metastatic bone cancer
  3. Most common primary bone tumour: Multiple myeloma
  4. Metastatic tumours in maxilla are most commonly: Maxillary tuberosity
  5. Verocay bodies are associated with: Neurolemmoma
  6. Cafe-au-lait spots are seen in: Neurofibroma and Polyostotic type of fibrous dysplasia
  7. Antoni type A and B are associated with: Neurofibroma
  8. Benign tumor that resembles Squamous cell carcinoma histologically: Keratoacanthoma
  9. Commonest site of Keratoacanthoma: Lip
  10. Sarcoma of soft tissues spreads by: Blood vessels
  11. Carcinoma which produces Osteoblastic Secondaries: Carcinoma Prostrate
  12. Reedsternberg cells are seen in: Hodgkins disease
  13. Bence Jones protein is seen in: Multiple myeloma, Polycythemia, Leukaemia
  14. Etiology of Multiple Myeloma: Unknown
  15. Melphalan is drug of choice in: Multiple myeloma
  16. Onion skin appearance: Ewings sarcoma
  17. Reactive lesion of gingiva that may demonstrate bone radiographically and seen even microscopically: Peripheral ossifying fibroma
  18. Russels bodies are found in which cells: Plasma cells
  19. Starry sky appearance is seen in: Burkitts lymphoma
  20. Strotiform pattern is seen in:  Malignant  fibrous histiocytoma
  21. Common neoplasm benign of epithelial origin: Papilloma
  22. Most common location of giant cell fibroma: Mandibular gingiva
  23. Most common malignant tumour of gingival: Squamous cell carcinoma
  24. Most common type of Basal Cell Carcinoma: Nodular
  25. Origin of Basal Cell Carcinoma: Pluripotent Basal Stem cells
  26. Rodent ulcer: Basal Cell Carcinoma
  27. Commonest site for Carcinoma of Tongue: Lateral margin
  28. Benign neoplasm that arise from brown fat: Hibernoma
  29. Sex predilection in Carcinoma of lip more common: Male
  30. A White patch that cannot be rubbed off from oral mucosa nor related to any other disease is a feature of: Leukoplakia
  31. Most common location of leukoplakia: Cheek mucosa
  32. Leukoplakia with worst prognosis location: Floor of mouth
  33. Chevron sign is diagnostic feature of: Smokeless Tobacco Keratosis
  34. OHL is most commonly associated with which disease: AIDS
  35. Highest incidence of malignant transformation: Erythroplakia
  36. Toluidene blue is used to detect: Malignant Transformation
  37. Other name for Oral Sub mucous fibrosis: Atropa Idiopathica Mucosae Oris
  38. Rigidity of oral mucosa is associated with: Oral Sub Mucous Fibrosis
  39. Bowen disease is a type of:  Intraepithelial Carcinoma
  40. Flimy white opalesence that fades on stretching:  Leukodema
  41. Tobbaco usage associated with: Hyperkeratosis
  42. Increase in thickness of Spinous layer: Acanthosis
  43. Acanthosis with intraepithelial vacuolation and hyper para keratosis is seen in: Speckled Leukoplakia
  44. Presence of epithelial pearls is a feature: Carcinoma
  45. Division of nucleus without division of cytoplasm: Poikilokaryosis
  46. Lesion of which part of Oral cavity is more prone to Dysplasia: Floor of oral cavity
  47. Most reliable single Histologic criteria for diagnosis of Squamous Cell Carcinoma: Invasion
  48. Squamous Papilloma is induced by virus: Human Papilloma Virus
  49. Resorption of teeth is caused by which type of tumours: Malignant tumors
  50. Basal Cell Carcinoma is spread by: Direct Extension
  51. Most common Site for Metastasis from Carcinoma of Cheek: Regional lymph nodes (submaxillary lymph nodes)
  52. Major etiological factor for Basal Cell Carcinoma: Sunlight
  53. Metastasis from carcinoma of Tongue by blood stream is more likely when carcinoma involves which part of the tongue: Posterior third of tongue
  54. Most common route of Metastasis of Oral cancer is by: Lymphatics
  55. Most common site for Metastasis of  Mandibular Sarcoma: Lung
  56. Tissue removal for Microscopic examination should be immediately immersed in:  10% Formalin
  57. Pappilomatous tongue is found in: Lymphangioma
  58. Inflamed Capillary Heamangioma looks similar to: Pyogenic Granuloma
  59. Haemangioma is associated with which syndrome: Rendu Osler Webber Syndrome
  60. Most common location of Haemangioma: Head and Neck
  61. Venous Lakes are: Tiny vascular haemangiomas of lip
  62. Kaposi sarcoma is a tumour of: Blood vessels
  63. Kaposi sarcoma is caused by: HSV 8 Virus
  64. Most common Intra Oral pigmented lesions: Amalgam Tattoo
  65. True nevus of  Mesodermal origin: Blue nevus
  66. Nevi which will most commonly turn to malignant one: Junctional nevi
  67. Most common intraoral nevi: Intramucosal Nevi
  68. Melanoma affects the: Skin and mucuos membrane
  69. Sex Prediliction of malignant melanoma is: More common in Males
  70. Type of melanoma with highest malignant potential: Nodular melanoma
  71. Malignant tumor of striated muscle: Rhabdomyosarcoma
  72. Rhabdomyosarcoma originates from: Skeletal muscle
  73. Intra oral myoblastoma is seen most commonly in: Tongue
  74. Granular cell myoblastoma is a: Benign tumor
  75. Congenital epulis of the new born is most likely to resemble: Granular cell Myoblastoma microscopically
One Response
  1. March 21, 2015

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