II. Causes: Hernia
- Abdominal Wall Hernia
- Umbilical Hernia
- Incisional Hernia
- Epigastric Hernia or Hypogastric hernia
- Spigelian Hernia (rare)
- Transversus aponeurosis defect at lateral rectus abdominis inferior to arcuate line
- Groin Hernia
III. Causes: Neuropathy
- Herpes Zoster or Postherpetic Neuralgia
- Mononeuritis multiplex
- Vasculitis
- Diabetes Mellitus (Diabetic Thoracic Polyradiculopathy)
- Severe nerve root T6 to T12 truncal pain
- Longstreth (2005) Best Pract Res Clin Gastroenterol 19(2): 275-81 [PubMed]
- Nerve root compression or impingement
- Thoracic Spine Radiculopathy
- Spinal level T7 to L1 Nerve Roots
- Ilioinguinal nerve root entrapment (or Iliohypogastric nerve entrapment)
- Common lower Abdominal Pain cause (esp. with prior Hernia Repair, appendectomy)
- Rectus abdominis nerve root entrapment
- Lateral cutaneous branches of intercostal nerves
- Anterior cutaneous branch of subcostal nerve
- Anterior cutaneous branches of intercostal nerves (anterior cutaneous nerve entrapment)
- Entrapment at the lateral rectus border onset in the upper Abdomen
- Localized unilateral sharp pain
- Most common cause of Abdominal Wall Pain
- Nerve root entrapment after Inguinal Hernia repair
- Lateral cutaneous branches of subcostal nerve
- Lateral cutaneous branch of iliohypogastric nerve
- Thoracic Spine Radiculopathy
IV. Causes: Musculoskeletal Injury and Trauma
-
Abdominal Trauma or Athletic Injury
- Myofascial injury
- Abdominal wall Muscle Strain
- Rectus abdominis rupture
- Abdominal wall Hematoma (post-laparoscopy or Abdominal Trauma)
- Idiopathic intraabdominal adhesions
- Sports Hernia (Groin Pain)
- Surgical scar related changes
- Neuroma formation
- Recurrent Endometriosis
- Slipping Rib Syndrome (Ribs 8 to 10)
- Sharp, stabbing upper Abdominal Pain
- Diagnose by eliciting pain with hooking maneuver
V. Causes: Specific to Women
- Abdominal Wall Endometriosis
- Desmoid tumor
- Dysplastic tumor often in young women
VI. Causes: Miscellaneous
- Spider Bite
- Xiphodynia
- Reproducible pain on palpation of the xiphoid process
- Adiposis dolorosa (Dercum Disease, Anders Disease)
- Multiple painful abdominal wall Lipomas (obese patients)
- Infection
- Trichinosis
- Abdominal wall abscess