A case of hypercalcemia associated with documented squamous cell carcinoma of the renal pelvis without bony metastasis is reported. Pseudohyperparathyroidism was suspected strongly because of the radioimmunoassay values of parathormone. This was confirmed by the prompt decrease of serum calcium after removal of the neoplasm. The radiologic findings were non-specific.
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Pigadas et al. (1978) studied this question.
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