Renal Cystic Diseases

A middle-aged man with a prolonged history of an abdominal mass in the flank area presented to the emergency department with dark-colored urine and pain on one side of the abdomen. This patient has a family history of a similar illness and his father died due to renal failure.  What is the diagnosis?

A patient diagnosed with polycystic kidney disease suddenly died. What is the most common cause of death in such patients?

In a patient diagnosed with polycystic kidney disease who has developed nephrolithiasis, what is the anticipated cause of renal stones in this individual?

A middle-aged man diagnosed case of polycystic kidney disease presented with excessive fatigue. During the examination precordium, a valvular pathology was detected, and a murmur was also noted. What is the most prevalent cardiovascular abnormality typically observed in such patients?

A patient visited the outpatient department (OPD) with concerns about the possibility of having polycystic kidney disease, given that his father had passed away from the same condition. He is anxious about his own risk. Which tests should be recommended for both him and his family members as part of the screening process?

A 30-year-old female presented with generalized body aches and lethargy. On examination, her blood pressure was 170/95 mmHg, and her pulse was 80/min and regular. Cardiovascular, respiratory, abdominal, and neurological examinations were all normal. She reported being diagnosed with hypertension but admitted to being non-compliant with her medications. She had not been previously investigated for the cause of her hypertension. Her investigations revealed:

• Hemoglobin: 13 g/dl
• WBC: 10,500/mm³
• Platelets: 350,000/mm³
• Urinalysis: Protein 1+
• Creatinine: 3.1 mg/dl
• Urea: 90 mg/dl
• Sodium: 140 mmol/l
• Potassium: 4.1 mmol/l

What is the most appropriate next investigation?

A 23-year-old male presented with complaints of body aches and vomiting. On examination, his blood pressure was 180/100 mmHg, his abdomen was soft and non-tender with a palpable mass, and chest auscultation revealed scattered crepitations. His investigations showed:

• Creatinine: 2.2 mg/dl
• Urea: 85 mg/dl
• Phosphate: 6 mg/dl (normal: 3-4.5 mg/dl)
• Corrected calcium: 8 mg/dl (normal: 8.5-10.5 mg/dl)
• Sodium: 138 mmol/l
• Potassium: 4.9 mmol/l

He also reported a recent cough and had undergone a CT chest with contrast 10 days ago. What is the most likely diagnosis?

A 45-year-old male came to the OPD for a follow-up with the following investigation results:

• Creatinine: 3.2 mg/dl
• Potassium: 5.5 mmol/l
• Sodium: 142 mmol/l
• Abdominal ultrasound: Multiple cysts in both kidneys and liver

His previous reports showed a creatinine level of 2.2 mg/dl. His blood pressure was 150/90 mmHg, and he was taking amlodipine and valsartan. What is the important association with this disease?

A 37-year-old male presented to the emergency department with sudden, severe left flank pain. He has no history of similar episodes and was otherwise healthy, with no prior medications. On examination, his pulse was 90/min, regular, and his left flank was tender with a palpable mass. He was resuscitated with analgesics in the emergency department. He mentioned that his brother had died suddenly due to a subarachnoid hemorrhage. His investigation results are as follows:

• Creatinine: 2.8 mg/dl
• Potassium: 4.5 mmol/l
• Sodium: 137 mmol/l
• Hemoglobin: 14.5 g/dl
• MCV: 83 fl
• Urinalysis: Blood 2+, Protein 1+

Which other condition is likely to be present in this patient?

A 47-year-old male presented with complaints of hematuria and occasional bilateral flank pain. On examination, a mass was detected in the right flank, and his blood pressure was 155/95 mmHg. His investigation results are as follows:

• Urinalysis: Plenty of red blood cells
• Creatinine: 3.45 mg/dl
• Urea: 65 mg/dl
• Potassium: 5.2 mmol/l
• Sodium: 141 mmol/l

He has no other illnesses, is not on any medication, and is not taking blood thinners. However, he had a history of pulmonary tuberculosis 5 years ago, which was successfully treated. What is the most appropriate diagnosis for this patient?

A 17-year-old female came to the OPD for screening. Her elder brother is on hemodialysis due to polycystic kidney disease, and her father passed away from a subarachnoid hemorrhage. She is currently asymptomatic, with a blood pressure of 110/70 mmHg, and all her investigations are normal. What is the most appropriate next step?

A 50-year-old male presented with fever and right upper quadrant pain. He has a history of hypertension managed with three medications and has been hospitalized three times for pyelonephritis. His father had uncontrolled hypertension and died from an intracranial hemorrhage at a young age. On examination, his blood pressure was 160/90 mmHg, and he had tenderness in both loins. Respiratory, neurological, and cardiac examinations were normal. His investigations showed the following:

• Creatinine: 4.2 mg/dl
• Urea: 95 mg/dl (10-40)
• Sodium: 130 mmol/l
• Potassium: 3.9 mmol/l
• Calcium: 8.2 mg/dl (8.5-10.5)
• Phosphate: 5.9 mg/dl
• Urinalysis: blood ++, protein ++
• 24-hour urinary sodium: 90 mmol/l
• Hemoglobin: 13.5 g/dl
• Serum renin: elevated

What is the most likely diagnosis?

A middle-aged man was recently diagnosed with polycystic kidney disease. He wants to know the features and prognosis of the disease. Which of the following statements is correct?