Mr JK, aged 39 years presents to his GP with lower back pain…

Mr JK, aged 39 years presents to his GP with lower back pain which has been present for 3 days now.  The pain is radiating down his left leg and has not been relieved by rest. The GP rules out any red flag symptoms.  What is the MOST likely cause of Mr J’s back pain?

Mr BG, 47 years old, presents with bilateral oedema, breathl…

Mr BG, 47 years old, presents with bilateral oedema, breathlessness and has the following blood results:   Na+         136         (135-145 mmol/L)            Albumin               24           (35-50 g/L) k+            5.4          (3.5-5.1 mmol/L)              ALT                         30           (0-40 U/L) Ur           24           (3.1-7.9 mmol/L)              ALP                        70           (35-120 U/L) SCr         255         (50-120 umol/L)                 Urine sample collection shows 3.5g protein/24 hours Which condition is the MOST likely diagnosis?