SL OMFX

Answer : Adenoid cystic Carcinoma Salivary gland malignancy slow-growing relentless salivary gland malignancy composed of epithelial and myoepithelial neoplastic cells that form various patterns F : M = 1.5 : 1 4.4 % of all salivary gland tumours Median patient age 57 years Swiss cheese appearance MYB translocation 3 types – Cribriform, Tubular, Solid Perineural and intraneural invasion – 30 % Comedo type necrosis in solid type – ACC – Resembles Basal Cell Ca Grade I, II, III 5 year survival drastic difference but 15-year survival almost equal Histopathology Cribriform Nests of tumour cell interrupted by Sharply punched out spaces filled with basophilic matrix Small Angulated hyperchromatic nuclei Perineural invasion Tubular Bi layered tubules with true lamina Scant cytoplasm Small Angulated hyperchromatic nuclei Solid Sheets of tumour cell Without lumen May consist of epithelial-myoepithelial elements Immunohistochemistry – CD 117 inner epithelial cells, P63, SMA- ...

Oral Pathology Shot case 10 - 35 Year Male - Whitish lesion in the buccal mucosa

Answer : Oral lichen planus Varying degrees of orthokeratosis and parakeratosis may be present on the surface of the epithelium The thickness of the spinous layer can also vary. The rete ridges may be absent or hyperplastic, but they classically have a pointed or “saw-toothed” shape Destruction of the basal cell layer of the epithelium (hydropic degeneration) is also evident. This is accompanied by an intense, bandlike infiltrate of predominantly T lymphocytes immediately subjacent to the epithelium Degenerating keratinocytes may be seen in the area of the epithelium and connective tissue interface and have been termed colloid, cytoid, hyaline, or Civatte bodies. Download the Oral Pathology Short cases clicking the following link Click Here

Anaesthesia OSCE 1- Laryngoscopes

Identify Precisely - Laryngoscope handles and blades. A, Size 4 Miller blade. B, Size 4 McIntosh blade. C, Size 2 Miller blade. D, Size 1 McIntosh blade. E, Laryngoscope handle with size 00 Miller blade in unlocked position. F, Laryngoscope handle with size 3 McIntosh blade in locked position (note that the light turns on when the blade is locked). Mention the use of above instrument - Laryngoscopes used to increase the visibility of the larynx while placing an ET tube What are the parts of a Laryngoscope - Handle containing batteries Blade to depress tongue and epiglottis Light source to illuminate the throat Sizes of the laryngoscopes Small animal 0 to 5 Large animal up to 18-inch blade Types of laryngoscopes Miller blades McIntosh blades

Oral Pathology Short Case 8 - Swelling of the lip and rough buccal mucosa in a 25 Year old Male

Answer : Orofacial granulomatosis Lymphoedema Multiple non caseating giant cell granuloma in peri oral and oral regionSubgroupd of patients previously known as Melkersson Rosenthal syndrome IF GIT manifestations present – Crohns disease Histopathology Oedematous corium and perivascular lymphocytic infiltration Non caseating granulomas Treatment Local or systemic corticosteroids Immuno modulators Surgical management Download the Oral Pathology Short cases clicking the following link Click Here

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Dr R M Sumudu Himesha B Medawela BDS(Pera), MD(Col)

SL OMFX

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Oral Pathology Shot case 10 - 35 Year Male - Whitish lesion in the buccal mucosa

Oral Pathology Short case 9 - Lump on the buccal mucosa

Oral Pathology Short Case 8 - Swelling of the lip and rough buccal mucosa in a 25 Year old Male

Oral Pathology Short Case 7 - Non healing ulcer on lateral tongue for 2 weeks duration

Oral Pathology Short Case 6 - 60 Years old Male - Lump in the parotid

Oral Pathology Short Case 5 - 15-year old Female - Lesion present in anterior maxilla. A mixed radiodense lesion

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Oral Pathology Short Case 2 - 35 Years Female – Nodular lesion in the floor of the mouth