case_images: PMC5011211_01
case_images: MRI of neck showing pharyngeal mass.
case_images: CRIN2016-3186714.001.jpg
case_images: PMC5011211_01_CRIN2016-3186714.001.jpg
case_images: fig1
case_images: An MRI of neck without contrast also showed same mass (see Figure 1).
case_images: CT scan of head without any intracranial lesion.
case_images: CRIN2016-3186714.002.jpg
case_images: PMC5011211_01_CRIN2016-3186714.002.jpg
case_images: fig2
case_images: A CT scan of head was performed which did not find any intracranial lesions (see Figure 2).
case_images: Changes in serum sodium levels during hospital stay.
case_images: CRIN2016-3186714.003.jpg
case_images: PMC5011211_01_CRIN2016-3186714.003.jpg
case_images: fig3
case_images: Over the course of next seven days, patient's sodium gradually improved and became normal after fourteen days (see Figure 3).
case_images: Low power view showing tumor on mucosal surface, invading in submucosa.
case_images: CRIN2016-3186714.004.jpg
case_images: PMC5011211_01_CRIN2016-3186714.004.jpg
case_images: fig4
case_images: The underlying etiology of her SIADH was attributed to biopsy-proven well differentiated squamous cell carcinoma of the oronasopharynx (see Figure 4).