caz 2

[originaltup]

A 55-year-old man has been a cigarette smoker for the past 40 years. He has recently noted some blood-streaked sputum on coughing up sputum in the morning. He also has back pain. A chest radiograph shows a small 3 cm right hilar mass with several 1 to 2 cm peripheral lung nodules. A bone scan reveals multiple areas of increased uptake in the vertebrae, ribs, and pelvis. A sputum cytology reveals the presence of clusters of small cells having hyperchromatic nuclei and almost no cytoplasm. Which of the following laboratory test findings is he most likely to have as a consequence of his lung disease ?

[originaltup]

Vad ca nu prea se omoara lumea cu stiinta, si asta era un caz destul de usor.
raspuns corect: Serum sodium of 113 mmol/L

Dupa descriere e "small-cell carcinoma" care se distinge prin secretiile ectopice a 2 hormoni: ACTH si ADH. Cortisolul e normal asa ca mai ramane ADH care face hiposodemie.
Si mai da si metastaze osoase in cazul acesta.