​Symptoms and Signs – Differential Diagnosis of Colorectal Cancer

Symptoms and Signs – Differential Diagnosis of Colorectal Cancer • Strictures • Metastatic carcinoma (prostate, sarcoma) • Inflammatory bowel disease (IBD) • Infectious or inflammatory lesions • Extrinsic masses (cysts, abscesses) • Diverticular disease •


​Symptoms and Signs – Differential Diagnosis of Coma

Symptoms and Signs – Differential Diagnosis of Coma • Vascular: hemorrhage, thrombosis, embolism • Uremia • Postictal • Metabolic disturbances • Ingestion or inhalation of toxins: carbon monoxide (CO), alcohol, lead • Hypoxia • Hypothyroidism • Hypothermi




​Symptoms and Signs – Differential Diagnosis of Condyloma Acuminatum

Symptoms and Signs – Differential Diagnosis of Condyloma Acuminatum • Verrucous carcinoma • Syphilis • Seborrheic keratosis • Lichen planus • Erythroplasia of Queyrat • Dysplastic warts • Bowenoid papulosis • Abnormal anatomic variants or skin tags around




​Symptoms and Signs – Differential Diagnosis of Conjunctival Neoplasm

Symptoms and Signs – Differential Diagnosis of Conjunctival Neoplasm MALIGNANT • Squamous cell carcinoma • Melanoma • Sebaceous carcinoma • Kaposi’s sarcoma • Metastatic neoplasms BENIGN • Melanocytic nevus • Squamous papilloma • Hemangioma • Lymphangioma



​Symptoms and Signs – Differential Diagnosis of Constipation

Symptoms and Signs – Differential Diagnosis of Constipation • Volvulus • Tuberculous stricture • Strangulated femoral hernia • Poor dietary habits: insufficient bulk in diet, inadequate fluid intake • Painful anal conditions: hemorrhoids, fissure, strictu