Histologically confirmed isolated IgG4-related hypophysitis: two case reports in young women Authors: Gabriela Alejandra Sosa, Soledad Bell, Silvia Beatriz Christiansen, Marcelo Pietrani, Mariela Glerean, Monica Loto, Soledad Lovazzano, Antonio Carrizo, Pablo Ajler and Patricia Fainstein Day
Delayed presentation of late-onset cerebrospinal fluid rhinorrhoea following dopamine agonist therapy for giant prolactinoma Authors: J K Prague, C L Ward, O G Mustafa, B C Whitelaw, A King, N W Thomas and J Gilbert
A case of severe anorexia, excessive weight loss and high peptide YY levels after sleeve gastrectomy Authors: Andrea Pucci, Wui Hang Cheung, Jenny Jones, Sean Manning, Helen Kingett, Marco Adamo, Mohamed Elkalaawy, Andrew Jenkinson, Nicholas Finer, Jacqueline Doyle, Majid Hashemi and Rachel L Batterham
Clinical course of pituitary function and image in IgG4-related hypophysitis Authors: Takatoshi Anno, Fumiko Kawasaki, Maiko Takai, Ryo Shigemoto, Yuki Kan, Hideaki Kaneto, Tomoatsu Mune, Kohei Kaku and Niro Okimoto
Hyponatraemia secondary to nivolumab-induced primary adrenal failure Authors: Harris Trainer, Paul Hulse, Claire E Higham, Peter Trainer and Paul Lorigan
Pancreatic α-cell hyperplasia and hyperglucagonemia due to a glucagon receptor splice mutation Authors: Etienne Larger, Nicolai J Wewer Albrechtsen, Lars H Hansen, Richard W Gelling, Jacqueline Capeau, Carolyn F Deacon, Ole D Madsen, Fumiatsu Yakushiji, Pierre De Meyts, Jens J Holst and Erica Nishimura
Late presentation of acromegaly in medically controlled prolactinoma patients Authors: Ekaterina Manuylova, Laura M Calvi, Catherine Hastings, G Edward Vates, Mahlon D Johnson, William T Cave Jr and Ismat Shafiq
Bowel perforation complicating an ACTH-secreting phaeochromocytoma Authors: Elise Flynn, Sara Baqar, Dorothy Liu, Elif I Ekinci, Stephen Farrell, Jeffrey D Zajac, Mario De Luise and Ego Seeman
Thyroid antibody-negative euthyroid Graves’ ophthalmopathy Authors: Arshiya Tabasum, Ishrat Khan, Peter Taylor, Gautam Das and Onyebuchi E Okosieme
Functional parathyroid cyst in a patient with systemic lupus erythematosus: a case report Authors: Jingjing Jiang, Mei Zhang, Ronghua He, Meiping Shen and Wei Liu
A rare variety of congenital adrenal hyperplasia with mosaic Klinefelter syndrome: a unique combination presenting with ambiguous genitalia and sexual precocity Authors: M A Shehab, Tahseen Mahmood, M A Hasanat, Md Fariduddin, Nazmul Ahsan, Mohammad Shahnoor Hossain, Md Shahdat Hossain and Sharmin Jahan
Effective long-term temozolomide rechallenge in a macroprolactinoma Authors: Benedetta Zampetti, Giorgia Simonetti, Roberto Attanasio, Antonio Silvani and Renato Cozzi
A novel CASR mutation (p.Glu757Lys) causing autosomal dominant hypocalcaemia type 1 Authors: Benjamin Kwan, Bernard Champion, Steven Boyages, Craig F Munns, Roderick Clifton-Bligh, Catherine Luxford and Bronwyn Crawford
Resistance to thyroid hormone accompanied by atrial fibrillation Authors: Haruhiro Sato and Yuichiro Tomita
Emergence of a latent TSHoma pituitary macroadenoma on a background of primary autoimmune hypothyroidism Authors: Yew Wen Yap, Steve Ball and Zubair Qureshi
Hyponatremia after anticoagulant treatment: a rare cause of adrenal failure Authors: Benedetta Zampetti, Roberto Attanasio and Renato Cozzi
Mitochondrial disease: an uncommon but important cause of diabetes mellitus Authors: Ming Li Yee, Rosemary Wong, Mineesh Datta, Timothy Nicholas Fazio, Mina Mohammad Ebrahim, Elissa Claire Mcnamara, Gerard De Jong and Christopher Gilfillan
Refractory spontaneous hypoglycaemia: a diagnostic conundrum Authors: Seong Keat Cheah, David Halsall, Peter Barker, John Grant, Abraham Mathews, Shyam Seshadri and Singhan Krishnan
Unusual high blood glucose in ketoacidosis as first presentation of type 1 diabetes mellitus Authors: Sebastian Hörber, Sarah Hudak, Martin Kächele, Dietrich Overkamp, Andreas Fritsche, Hans-Ulrich Häring, Andreas Peter and Martin Heni
Beat the giant: case of a giant prolactinoma during pregnancy on cabergoline Authors: Wael M Almistehi and Mussa H Almalki