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68654 Pathology

A 65-year-old woman with a history of multinodular goiter complains of increasing nervousness, insomnia, and hea palpitations. She has lost 9 kg over the past 6 months. There is no evidence of exophthalmos. Laboratory studies show elevated serum levels of free T3 and T4. Serologic tests for antithyroid antibodies are negative. Which of the following is the likely endocrinopathy in this patient?

AThyroid storm
BThyrotoxicosis
CGraves disease
DHypothyroidism
Pathology
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68656 Pathology

A thirty-two-year-old adult male presents with a chronic suppurative lesion on the angle of the jaw. Microscopic examination shows small abscesses immediately beneath the epidermis with moderate growth of epithelial cords. In the abscess, there are oval, unicellular organisms measuring 20 µm in diameter and having a thick, double-refractive cell wall and cytoplasm containing refractive granules and vacuoles. Which of the following is the most likely diagnosis?

ABlastomycosis
BForeign body reaction
CSyphilis
DTuberculosis
Pathology
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