Calcium level - low - infants Calcium pyrophosphate dihydrate deposition disease Calluses and corns Cancer Cancer - cervix Cancer - colon Cancer - esophagus Cancer - Hodgkins lymphoma Cancer - liver Cancer - lung Cancer - lung - non-small cell Cancer - lung - small cell Cancer - mouth Cancer - non-Hodgkins lymphoma Cancer - ovaries Cancer - pancreas Cancer - penis Cancer - perineum Cancer - prostate Cancer - renal pelvis or ureter Cancer - retina Cancer - skin Cancer - skin - squamous cell Cancer - stomach Cancer - testes Cancer - throat or larynx Cancer - thyroid Cancer - thyroid (medullary carcinoma) Cancer - vagina Cancrum oris Candida Esophagitis Candida-associated diaper dermatitis Candidiasis - oral Cane-cutter fever Cannabis intoxication Caplan syndrome Caput Carbuncle Carcinoid syndrome Cardiac tamponade Cardioembolic stroke Cardiogenic shock Cardiomyopathy Cardiomyopathy - dilated Cardiomyopathy - ischemic Cardiomyopathy - peripartum Cardiomyopathy - restrictive Cardiovascular disorders Caries Carpal tunnel syndrome Cataract Cataract - congenital Catheter-associated UTI Cavernous hemangioma Cavernous hepatic hemangioma Cavernous sinus thrombosis CDH Celiac disease - sprue Cellulitis Central diabetes insipidus Central pontine myelinolysis Central serous choroidopathy Central sleep apnea Cerebral hemorrhage Cerebral hypoxia Cerebral palsy Cerumen impaction Cervical dysplasia Cervical inflammation Cervical polyps Cervical radiculopathy CFA CFS CGD Chalasia Chalazion Chancroid Charcot-Marie-Tooth disease Charley horse Chediak-Higashi syndrome Chemical pneumonitis Chest infection CHF Chickenpox Chiggers Child abuse - sexual Child neglect and psychological abuse Childhood disintegrative disorder Childhood volvulus Chinese restaurant syndrome Chlamydia Chlamydia infections in women Chlamydia psittaci Chlamydial urethritis - male Chloasma Chloramphenicol toxicity in newborns Choanal atresia Cholangitis Cholecystitis - chronic Cholelithiasis Cholera Cholestasis Cholestasis - drug-induced Cholesteatoma Chondroectodermal dysplasia Chondromalacia patella Chorioblastoma Choroidal dystrophies Christmas disease Chromaffin tumors Chromosomal mosaicism Chronic acquired (Non-Wilsonian) hepatocerebral degeneration Chronic atrophic pyelonephritis Chronic bacterial prostatitis Chronic bilateral obstructive uropathy Chronic brain syndrome Chronic cavitary histoplasmosis Chronic depression Chronic ear infection Chronic gastritis Chronic glaucoma Chronic glomerulonephritis Chronic gouty arthritis Chronic granulocytic leukemia Chronic inflammatory demyelinating polyneuropathy Chronic insomnia Chronic kidney failure Chronic lobular hepatitis Chronic Lyme disease Chronic lymphocytic leukemia (CLL) Chronic mitral valve regurgitation Chronic motor tic disorder Chronic obstructive airway disease Chronic organic brain syndrome Chronic pancreatitis Chronic sinus infection Chronic subdural hematoma Chronic unilateral obstructive uropathy Chronic venous insufficiency Chylomicronemia syndrome Cirrhosis CJD Clap Classical RTA Cleft lip and palate Cleft spine Cleidocranial dysostosis Clinical hemoglobin C Clostridial infection of tissues Clot in the renal vein Clubfoot Cluster headaches CMV - congenital CMV - gastroenteritis/colitis CMV - immunocompromised host CMV - pneumonia CMV Esophagitis CMV retinitis Cocaine intoxication Cocaine withdrawal Coccidioidomycosis Coccidioidomycosis - acute pulmonary Coccidioidomycosis - chronic pulmonary Coccidioidomycosis - disseminated Cold Cold sore Colic and crying Colitis Collagen vascular disease Collapsed lung Colloid nodular goiter Colon splenic flexure distention Colonic ischemia Colorectal polyps Common ichthyosis Common peroneal nerve dysfunction Community-acquired MRSA (CA-MRSA) Compartment syndrome Complex regional pain syndrome Complicated urinary tract infection Compression fractures of the back Compression of spinal cord Compulsive hair pulling Concussion Conditions associated with jaundice Conduct disorder Condyloma Congenital afibrinogenemia Congenital cranial osteoporosis Congenital dermal melanocytosis Congenital heart disease Congenital hernia of the diaphragm Congenital hypertrophic pyloric stenosis Congenital hypothyroidism Congenital lues Congenital megacolon Congenital nephrogenic diabetes insipidus Congenital nephrotic syndrome Congenital pernicious anemia Congenital protein C or S deficiency Congenital rubella Congenital spherocytic anemia Congenital toxoplasmosis Congestive heart failure - left Congestive heart failure - right-sided Conjunctivitis Conjunctivitis of the newborn Conns syndrome Constitutional liver dysfunction Constrictive pericarditis Consumption Consumption coagulopathy Conversion disorder Cooleys anemia Cor pulmonale Corneal injury Corticosteroid-induced Cushing syndrome Costochondritis Coxa plana Coxsackievirus infection Crabs Cradle cap Cranial mononeuropathy III - compression type Cranial mononeuropathy III - diabetic type Cranial mononeuropathy IX Cranial mononeuropathy VII Craniopharyngioma Craniosynostosis Crescentic glomerulonephritis CREST syndrome Crib death Crohns disease Crossbite Crossed eyes Croup Crural hernia Cryoglobulinemia Cryptococcal meningitis Cryptococcosis Cryptogenic polycythemia Cryptorchidism Cryptosporidiosis CSF leak Culture-negative endocarditis Curvature of the penis Cushing syndrome Cushing syndrome - ectopic Cushings disease Cutaneous candidiasis Cyanotic heart disease Cyclothymia Cystathionine beta synthase deficiency Cystic fibrosis Cystic hygroma Cysticercosis Cystine stones Cystitis - interstitial Cystitis - recurrent