Important Clinical and Histological features of Oral Carcinomas or Malignancies

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