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What is the cause of this lesion?

A 67-year-old female presents with these oral lesions (first slide). Which of the following should be considered in the differential diagnosis.

Based on the clinical findings, which diagnosis should be considered most likely?

What is your diagnosis for this lesion found on routine radiographs in two different middle-aged African American female patients? The teeth in the area are vital.

What test can you perform in the office to narrow your diagnosis?

A cylinder contains 500-mL of Nitrogen gas at 1.96 atm and a constant temperature. What volume will the nitrogen occupy if the pressure is increased to 2.75atm?   Type all the work Show equation used  Answer should be clear, have correct significant figures, and contain the correct unit. 

This area on the buccal mucosa was discovered on routine oral exam in this patient.   A similar lesion was also present on the buccal mucosa on the other side of the mouth. On examination, the lesion disappears when you stretch the buccal mucosa. What is the most likely diagnosis?

All of the following are common sites for this lesion EXCEPT.

TBC11 – Which of the following is NOT a storage loacation for iron in the human body?

Noah is a 12 year old male who presented to the emergency department on May 31, 2016 with weakness. He suffered a spinal cord stroke, with fluid pinching his spinal cord, preventing blood flow to his brain. The fluid accumulation stemmed from his underlying birth diagnosis of Chiari Malformation, a structural defect in the cerebellum at the level of the foramen magnum. Noah also had a history of migraines, asthma, and anxiety. He was admitted to the hospital, and surgery was performed to remove the fluid and decompress the spinal cord, but he remained paralyzed from the neck down as a result of the stroke. Which factors in this case history might indicate difficulty weaning from mechanical ventilation? (List at least 2 risk factors)