Mouth, esophagus (esophagus), stomach, and intestine (K00-K67; K90-K93).
- Crohn’s disease – chronic inflammatory bowel disease (IBD); usually progresses in episodes and may affect the entire digestive tract; characterized by segmental involvement of the intestinal mucosa (intestinal mucosa), which means that several intestinal segments may be affected that are separated by healthy segments.
Neoplasms – tumor diseases (C00-D48).
- Colon carcinoma (cancer of the large intestine)
- Metastatic ovarian cancer (cancer of the ovary) or endometrial cancer (cancer of the uterus)
- Rectal carcinoma (rectal cancer).
Genitourinary system (kidneys, urinary tract – reproductive organs) (N00-N99).
- Hemorrhagic cystitis (inflammation of the bladder with visible blood admixture to the urine; symptoms: Macrohematuria, urinary urgency, and painful spasms).
- Urolithiasis (urinary stones)
- Cystitis (inflammation of the urinary bladder)
Further
- See under differential diagnoses “hematuria” (blood in the urine).