Porphyrias ppt BIOCHEMISTRY vkunder637@gmail.com

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Porphyrias ppt BIOCHEMISTRY vkunder637@gmail.com

  1. 1. PORPHYRIAS Dr. Vijay Marakala, MBBS, MD. Assistant professor BIOCHEMISTRY SIMS & RC
  2. 2. PORPHYRIA - Definition Porphyrias are diseases of heme biosynthesis characterized by increased excretion of porphyrins or porphyrin precursors in urine and feces.
  3. 3. PORPHYRIA - Classification Genetic Acquired
  4. 4. PORPHYRIA - Classification Erythropoietic porphyrias • Enzyme deficiency occurs in bone marrow Hepatic porphyrias • Enzyme deficiency occurs in liver
  5. 5. PORPHYRIA Clinical Features Acute abdominal pain Acute psychiatric disturbances Peripheral neuropathy Photosensitivity and skin lesions
  6. 6. Most common Latent prior to puberty Abdominal pain, neuropsychiatric symptoms
  7. 7. Photosensitivity Pink coloured urine

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