Lesions in abdominal wall at either incision or injection sites that may be mistaken for other pathologic conditions
IMAGING
Imaging Recommendations
Injection Site Fluid or Gas Collection
Injection or Incision Site Hematoma or Seroma
Injection or Incision Site Abscess
Diabetic Lipodystrophy
Keloid (Hypertrophic Scar)
Calcified or Ossified Scar
Endometrial Implantation in Abdominal Incision
Tumor Implantation in Incision Sites
Injection Granulomas
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Consider
Selected References
Youssef AT: The ultrasound of subcutaneous extrapelvic endometriosis. J Ultrason. 20(82):e176-80, 2020
Guerra A et al: Imaging of postoperative endometriosis. Diagn Interv Imaging. 100(10):607-18, 2019
Tran-Harding K et al: Endometriosis revisited: an imaging review of the usual and unusual manifestations with pathological correlation. Clin Imaging. 52:163-71, 2018
Ecker AM et al: Abdominal wall endometriosis: 12 years of experience at a large academic institution. Am J Obstet Gynecol. 211(4):363.e1-5, 2014
Blanco M et al: Prevalence and risk factors of lipohypertrophy in insulin-injecting patients with diabetes. Diabetes Metab. 39(5):445-53, 2013
Gidwaney R et al: Endometriosis of abdominal and pelvic wall scars: multimodality imaging findings, pathologic correlation, and radiologic mimics. Radiographics. 32(7):2031-43, 2012
Kluger N et al: Keloid occurring in a tattoo after laser hair removal. Acta Derm Venereol. 89(3):334-5, 2009
Ogawa R et al: Differential and exclusive diagnosis of diseases that resemble keloids and hypertrophic scars. Ann Plast Surg. 62(6):660-4, 2009
Sackey AH: Images in clinical medicine. Injection-site lipoatrophy. N Engl J Med. 361(19):e41, 2009
Kim J et al: Heterotopic ossification developing in surgical incisions of the abdomen: analysis of its incidence and possible factors associated with its development. J Comput Assist Tomogr. 32(6):872-6, 2008
Radermecker RP et al: Lipodystrophy reactions to insulin: effects of continuous insulin infusion and new insulin analogs. Am J Clin Dermatol. 8(1):21-8, 2007
Vardar B et al: Incidence of lipohypertrophy in diabetic patients and a study of influencing factors. Diabetes Res Clin Pract. 77(2):231-6, 2007
Lee SW et al: Abdominal wound tumor recurrence after open and laparoscopic-assisted splenectomy in a murine model. Dis Colon Rectum. 41(7):824-31, 1998
Reardon MJ et al: Heterotopic calcification in abdominal wounds. Am J Surg. 173(2):145-7, 1997
Jacobs JE et al: Heterotopic ossification of midline abdominal incisions: CT and MR imaging findings. AJR Am J Roentgenol. 166(3):579-84, 1996
Valenta LJ et al: Insulin-induced lipodystrophy in diabetic patients resolved by treatment with human insulin. Ann Intern Med. 102(6):790-1, 1985
Orava S et al: Heterotopic ossification in upper midline abdominal scars. Ann Chir Gynaecol. 69(3):115-8, 1980
Related Anatomy
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Related Differential Diagnoses
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References
Tables
Tables
KEY FACTS
Imaging
TERMINOLOGY
Definitions
Lesions in abdominal wall at either incision or injection sites that may be mistaken for other pathologic conditions
IMAGING
Imaging Recommendations
Injection Site Fluid or Gas Collection
Injection or Incision Site Hematoma or Seroma
Injection or Incision Site Abscess
Diabetic Lipodystrophy
Keloid (Hypertrophic Scar)
Calcified or Ossified Scar
Endometrial Implantation in Abdominal Incision
Tumor Implantation in Incision Sites
Injection Granulomas
DIFFERENTIAL DIAGNOSIS
DIAGNOSTIC CHECKLIST
Consider
Selected References
Youssef AT: The ultrasound of subcutaneous extrapelvic endometriosis. J Ultrason. 20(82):e176-80, 2020
Guerra A et al: Imaging of postoperative endometriosis. Diagn Interv Imaging. 100(10):607-18, 2019
Tran-Harding K et al: Endometriosis revisited: an imaging review of the usual and unusual manifestations with pathological correlation. Clin Imaging. 52:163-71, 2018
Ecker AM et al: Abdominal wall endometriosis: 12 years of experience at a large academic institution. Am J Obstet Gynecol. 211(4):363.e1-5, 2014
Blanco M et al: Prevalence and risk factors of lipohypertrophy in insulin-injecting patients with diabetes. Diabetes Metab. 39(5):445-53, 2013
Gidwaney R et al: Endometriosis of abdominal and pelvic wall scars: multimodality imaging findings, pathologic correlation, and radiologic mimics. Radiographics. 32(7):2031-43, 2012
Kluger N et al: Keloid occurring in a tattoo after laser hair removal. Acta Derm Venereol. 89(3):334-5, 2009
Ogawa R et al: Differential and exclusive diagnosis of diseases that resemble keloids and hypertrophic scars. Ann Plast Surg. 62(6):660-4, 2009
Sackey AH: Images in clinical medicine. Injection-site lipoatrophy. N Engl J Med. 361(19):e41, 2009
Kim J et al: Heterotopic ossification developing in surgical incisions of the abdomen: analysis of its incidence and possible factors associated with its development. J Comput Assist Tomogr. 32(6):872-6, 2008
Radermecker RP et al: Lipodystrophy reactions to insulin: effects of continuous insulin infusion and new insulin analogs. Am J Clin Dermatol. 8(1):21-8, 2007
Vardar B et al: Incidence of lipohypertrophy in diabetic patients and a study of influencing factors. Diabetes Res Clin Pract. 77(2):231-6, 2007
Lee SW et al: Abdominal wound tumor recurrence after open and laparoscopic-assisted splenectomy in a murine model. Dis Colon Rectum. 41(7):824-31, 1998
Reardon MJ et al: Heterotopic calcification in abdominal wounds. Am J Surg. 173(2):145-7, 1997
Jacobs JE et al: Heterotopic ossification of midline abdominal incisions: CT and MR imaging findings. AJR Am J Roentgenol. 166(3):579-84, 1996
Valenta LJ et al: Insulin-induced lipodystrophy in diabetic patients resolved by treatment with human insulin. Ann Intern Med. 102(6):790-1, 1985
Orava S et al: Heterotopic ossification in upper midline abdominal scars. Ann Chir Gynaecol. 69(3):115-8, 1980
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