A 35 years old female had complaints of
indigestion of food, pain abdomen and weight loss. Serum amylase was raised. Her CT scan reveals a pancreatic tumor. Her serum calcium was raised and she had
surgery in the neck to treat the cause.
Now she is having problem on seeing the things that are on the either
side of her body. Which of the
following is the most probable cause of her vision problem?
- Hypercalcemia
- Hypocalcemia
- Metastasis
- Pancreatic tumor
- Pituitary tumor
Answer:e
Explanation:
This patient is suffering from MEN-1 Neoplasia syndrome that
comprises of Pituitary, parathyroid and pancreatic tumors. The parathyroid tumor was causing
hypercalcemia and was treated by neck surgery.
The vision symptoms are bitemporal hemianopia caused by a pituitary
tumor.
(Choice a) Hypercalcemia
is not the cause of such vision symptoms.
It was associated with the parathyroid tumor that was treated with neck
surgery.
(Choice b) Hypocalcemia
can be caused by extensive surgery for the parathyoids but is not the cause of
her vision symptoms.
(Choice c) Pituitary
is not the common site of Pancreatic metastasis.
(Choice d) Pancreatic tumor cannot directly cause the vision
symptoms.
Educational
Objective:
MEN-1 Neoplasia syndrome consists of Pituitary, Parathyroid
and Pancreatic tumors. Pituitary tumors
when compressing the optic chiasm cause bitemporal hemianopia. Parathyroid tumors cause hypercalcemia.
Pancreatic tumors are diagnosed by CT scan.
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