Case ImageSpontaneous neck hematoma associated with parathyroid adenoma1Mitsumasa Okano, MD, PhD, 2Mitsuko Yui, MD, PhD,2Masanori Teshima, MD, PhD,1Kazuhiko Sakaguchi, MD, PhD1Division of General Internal Medicine, Department of Internal Medicine,2Department of Otolaryngology-Head and Neck Surgery,Kobe University Graduate School of MedicineCorresponding author: Mitsumasa Okano, Division of General Internal Medicine,Department of Internal Medicine, Kobe University Graduate School of Medicine7-5-1, Kusunoki-cho, Chuo-ku, Kobe 650-0017, Japan.Tel:+81-78-382-6596, Fax:+81-78-382-6597E-mail: [email protected] words: acute neck pain, neck hematoma, parathyroid bleeding, parathyroid adenoma

Nontraumatic bladder rupture is a rare cause of abdominal pain. We presented a case of spontaneous bladder rupture following acute cystits.