HGB 12 - 16.5 HIGH DIFFERENTIAL DIAGNOSIS

DIFFERENTIAL DIAGNOSIS FOR ERYTHROCYTOSIS

Relative

Dehydration

Gaisbocks Syndrome (Stress Polycythemia)

Absolute

Primary

     Polycythemia Vera

Secondary

     Hypoxia Dependant 

          High Altitude

          COPD

          Sleep Apnea 

          Cardiovascular Right-to-Left Shunting of Blood

          Carboxyhemoglobin

               Tobacco Abuse (Smoker's Polycythemia)

               Carbon Monoxide Poisoning 

          Methemoglobinemia

          Arteriovenous Malformations

          High Affinity Hemoglobinopathies

          2,3 Diphosphoglycerate Mutase Deficiency 

     Hypoxia Independant 

          Tumors

               Renal Cell Carcinoma

               Hepatocellular Carcinoma

               Cerebellar Hemangioblastoma

               Uterine Leiomyoma

               Ovarian Carcinoma

               Adrenal Cortical Adenoma or Hyperplasia

               Pheochromocytoma                 

               Renal Disease

                    Renal Artery Stenosis

                    Cysts

                    Hydronephrosis

                    Bartters Syndrome

                    Transplantation

          Idiopathic Familial Erythrocytosis

          Familial Autosomal Recessive Polycythemia (Chuvash Polycythemia) 

          Cobalt Toxicity