OPTHO - Exams Flashcards

1
Q

The owner of this dog would like your best advice on treating this eyelid mass. Which answer would be the best advice you could give to this owner?

  • This is a large eyelid mass, but it does not seem to be causing any problem for your dog. It is best to leave it alone.
  • This is a large eyelid mass and is most likely malignant. The best advice is to remove the entire eyelid and globe to ensure clean margins.
  • This is a large eyelid mass and should be carefully removed to ensure clean margins and normal eyelid function. It would be best to wait until your dog needs to have another anesthetic procedure to avoid unnecessary anesthetic risk.
  • This is a large eyelid mass and should be carefully removed to ensure clean margins and normal eyelid function. It would be best to remove it as soon as as possible to prevent further growth that may preclude a good outcome.
A

This is a large eyelid mass and should be carefully removed to ensure clean margins and normal eyelid function. It would be best to remove it as soon as possible to prevent further growth that may preclude a good outcome.

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2
Q

The owner of this horse (no photo) would like you to remove this eyelid mass because it seems to be causing him to tear. What is your advice to this owner regarding this mass?

  • The most common tumor on the horse’s eyelid is a meibomian gland adenoma. This should be removed leaving clean margins and an excellent prognosis.
  • The most common tumor on the horse’s eyelid is a squamous cell carcinoma. The prognosis for excision with clean margins is excellent.
  • Tumors on horse eyelids are often malignant with SCC being the most common. Clean margins on this mass excision is unlikely leaving a guarded prognosis for complete cure.
  • Tumors on horse eyelids are usually benign. This is large and may be more difficult to get clean margins. However, since it is benign, it can be removed again if it regrows.
A

Tumors on horse eyelids are often malignant with SCC being the most common. Clean margins on this mass excision is unlikely leaving a guarded prognosis for complete care.

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3
Q

The owner of this 16-year-old cat has recently noticed redness in the corner of his right eyelid. The cat does not seem bothered by it, and the owner would like you to prescribe an antibiotic ointment for it. What is your recommendation?

  • This lesion is most likely a SCC, and a biopsy is needed for diagnosis and appropriate treatment recommendations.
  • This lesion is most likely due to food allergies, and a topical steroid cream, such as NPDex should resolve it if the diet is changed.
  • This lesion is most likely due to herpes virus, and oral lysine should resolve it.
  • I will prescribe terramycin to be applied every 8 hours. If it has not improved in one month, we can try a different antibiotic.
A

This lesion is most likely a SCC and a biopsy is needed for diagnosis and appropriate treatment recommendations.

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4
Q

The owner of this 10-month-old Labrador has noticed some mild discharge and redness in both eyes for several weeks. You perform a STT (18mm/min OU); fluorescein staining (neg OU); fundic exam normal OU. You do not observe blepharospasm or eyelid abnormalities. Cytology of the discharge has neutrophils but no organisms. You decide to examine the bulbar aspect of the third eyelid, and this is what you find! What are you going to tell the owner?

  • Your dog has a prolapsed gland of the third eyelid (cherry eye) and will require surgical correction.
  • Your dog has enlarged lymphoid follicles, and treatment with anti-inflammatory and antihistamine is recommended.
  • The lymphoid tissue behind the third eyelid is abnormal, and a biopsy via removal of that tissue is recommended.
  • This is a classic appearance of SCC, and removal of the third eyelid with clean margins should be curative.
A

Your dog has enlarged lymphoid follicles, and treatment with anti-inflammatory and antihistamine is recommended.

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