Differential Diagnosis of Megaloblastic Anemia, due to Cobalamin Deficiency
Differential Diagnosis of Megaloblastic Anemia, due to Cobalamin Deficiency • Usurping of luminal Cbl (inadequate Cbl binding to IF) • Nutritional Cbl deficiency (insufficient Cbl intake): vegetarians, vegans, breast-fed infants of mothers with perniciou
Differential Diagnosis of Megaloblastic Anemia due to Folate Deficiency
Differential Diagnosis of Megaloblastic Anemia due to Folate Deficiency • With normal intestinal mucosa • With mucosal abnormalities: tropical and nontropical sprue, regional enteritis • Some drugs • Physiologic: pregnancy and lactation, prematurity, inf
Differential Diagnosis of General Causes of Megaloblastic Anemia
Differential Diagnosis of General Causes of Megaloblastic Anemia • Congenital disorders of DNA synthesis (rare): orotic aciduria, Lesch-Nyhan syndrome, congenital dyserythropoietic anemia • Acquired disorders of DNA synthesis: thiamine-responsive megalob
Differential Diagnosis of Pernicious Anemia
Differential Diagnosis of Pernicious Anemia • Nutritional vitamin B12 deficiency • Malabsorption • Chronic alcoholism (multifactorial) • Chronic gastritis related to Helicobacter pylori infection • Folic acid deficiency • Myelodysplasia
Differential Diagnosis of Anemia, Sideroblastic
Differential Diagnosis of Anemia, Sideroblastic • Thalassemia • Lead poisoning • Iron deficiency anemia • Blood loss • Anemia of chronic disease
Differential Diagnosis of Cutaneous Anergy
Differential Diagnosis of Cutaneous Anergy • Other: alcoholic cirrhosis, biliary cirrhosis, sarcoidosis, rheumatic disease, diabetes, Crohn’s disease, uremia, anemia, pyridoxine deficiency, sickle cell anemia, burns, malnutrition, pregnancy, old age, surg
Differential Diagnosis of Thoracic Aorta Aneurysm
Differential Diagnosis of Thoracic Aorta Aneurysm • Trauma • Inflammatory (syphilis, Takayasu’s disease) • Infection • Cystic medial necrosis • Congenital • Collagen-vascular disease (rheumatoid arthritis, ankylosing spondylitis) • Coarctation • Annuloao
Differential Diagnosis Angina Pectoris
Differential Diagnosis Angina Pectoris • Pulmonary diseases: pulmonary hypertension, pulmonary embolism, pleurisy, pneumothorax, pneumonia • Musculoskeletal conditions: costochondritis, chest wall trauma, cervical arthritis with radiculopathy, muscle stra
Differential Diagnosis of Angioedema
Differential Diagnosis of Angioedema • Urticaria pigmentosa • Peritonsillar abscess • Mastocytosis • Hypothyroidism • Granulomatous cheilitis • Erythema multiforme • Epiglottitis • Contact dermatitis • Cellulitis • Bullous pemphigoid • Atopic dermatitis •
Differential Diagnosis of Cherry Angioma
Differential Diagnosis of Cherry Angioma • Telangiectasia • Pyogenic granuloma • Petechiae • Melanoma • Insect bite • Benign pigmented purpura • Bacillary angiomatosis • Angiokeratoma
