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Desmoid tumor differential diagnosis

Introduction

Overview

Overview

Extra-abdominal desmoid tumor must be differentiated from fibrosarcoma, low-grade fibromyxoid sarcoma and Gardner fibroma. Intra-abdominal desmoid tumor must be differentiated from gastrointestinal stromal tumor (GIST), benign fibrous tumor/solitary fibrous tumor (SFT), inflammatory myofibroblastic tumor (IMT), sclerosing mesenteritis and retroperitoneal fibrosis. Furthermore, generally all desmoid tumors must be differentiated from acute hematoma, lymphoma, rhabdomyosarcoma, liposarcoma, leiomyosarcoma, neurofibroma, nodular fasciitis, hypertrophic scars,keloids and primitive neuroectodermal tumor.

Differentiating Desmoid tumor from other Diseases

Differentiating Desmoid tumor from other Diseases

Differentiating desmoid tumor from other diseases
Disease entity Etiology (Genetic or others) Histopathological findings Immunohistochemical staining Benign/Malignant Risk factors Common site of involvement Clinical manifestations Other associated features
Desmoid tumor Sporadic desmoids are associated with following mutations:

Familial desmoids/Hereditary desmoid disease is associated with:

Pediatric desmoids have following additional mutations involving:

Histologically, desmoid tumors consist of: Positive for:

Negative for:

Desmoids may be associated with following:
Fibrosarcoma/Fibroblastic sarcoma Strongly positive for:

Negative for:

Primary bone malignancy involving end of long bones:
Low-grade fibromyxoid sarcoma[4][5][9][10][11][12][13][14] Translocation:
  • t(7;18;16) or
  • t(7;16) (q34:p11)

Fusion gene:

Positive for:
  • MUC4 (highly specific and sensitive)
  • Vimentin

Occasionally positive for:

Negative for:

_
    Majority occurring in subfascial location and rarely involving subcutis or dermis in following sites:
    • Painless, slow-growing well-circumscribed mass
    • Average size-5cm (ranges from 1-20cm)
    _
    Benign fibrous tumor/Solitary fibrous tumor (SFT) [15][16][17][18][19][20][21][22][23] Intra-chromosomal inversion at:

    TERT promoter mutations responsible for:

    Positive for:

    In few cases, positive for:

    Negative for:

    _ Paraneoplastic syndromes associated with SFTs include:
    Gardner fibroma/Gardner-associated fibroma (GAF)[24][25][6][26] Positive for: Any part of body:
    Gastrointestinal stromal tumor (GIST)[27][28][29][30][31] Activating mutation of:

    Pediatric GISTs (SDH–deficient) have mutations of one of the:

    GIST as a part of Carney triad has following mutation:

    Wild-type GISTs have following three molecular subtypes:

    GIST cells basically arise from interstitial cells of Cajal (ICCs) and appear as follows on histology: Positive for:

    Consistently negative for:

    Can involve any part of GIT: Depending on tumor size and localization in GIT: _
    Inflammatory myofibroblastic tumor (IMT)[32][33][34][35][36][37][38][39][33][36][7] Unknown underlying etiology, may be due to inflammatory reaction to:

    Mutations such as:

    Positive for:

    Negative for:

    Also known as:
    Sclerosing mesenteritis[40][41][42][43][44][45][46][47][48][49][50][51][52]

    [53][54][55][56][57][58][59][60]

    Unknown exact etiology: Varying components of: _ Nomenclature used in the medical literature for idiopathic primary inflammatory and fibrotic processes of the mesentery is as follows:
    Retroperitoneal fibrosis[61][62][63][64][65][66][67][68][69][70][71][72][73]

    Idiopathic (70%) [Ormond’s disease] is an immune-mediated disease caused by:

    Secondary to:

    Fibro-inflammatory disease histologically hallmarked by fibrous tissue and chronic inflammation: Retroperitoneal fibrosis is also known as:
    Lymphoma Diffuse large B cell lymphoma (DLBCL):

    Extranodal marginal B cell lymphoma:

    Follicular lymphoma:

    Burkitt lymphoma:

    Positive for:

    Negative for:

    Anywhere in body WHO classification of lymphoma:
    Rhabdomyosarcoma (RMS)[74][75][76][77][78][79][80][81][82][83] Histologic classification: Positive for:

    Maybe positive for:

    Histology of RMS similar to that of other childhood small round blue cell tumors involving bone and soft tissue such as:
    Liposarcoma[84][85][86][87][88][89][90][91][92][93] Atypical lipomatous tumor/well differentiated liposarcoma and dedifferentiated liposarcoma are associated with:

    Myxoid liposarcoma is associated with:

    Pleomorphic liposarcoma is associated with:

    Well-differentiated liposarcoma:

    De-differentiated liposarcoma:

    Atypical lipomatous tumor/well differentiated liposarcoma is positive for: _
    Leiomyosarcoma[94][95][96][97][98][99][100][101][102] Positive for:

    Negative for:

    _
    Neurofibroma[103][104][105][106][107][108][109][106][110][111][112] Can be sporadic or as a part of Neurofibromatosis 1 and 2 Positive for:

    Negative for:

    Nodular fasciitis[113][114][115][116][117][118][119][120][121][122] Positive for:

    Negative for:

    Also known as:
    Hypertrophic scars _

    Adverse wound healing factors at the injury site such as:

    Hypertrophic scars can be classified as:
    Keloids[123][124][125][126] _

    Adverse wound healing factors at the injury site such as:

    Keloids may be associated with rare inherited syndromes such as:

    Keloids can be prevented by using:

    Keloids can be classified as:

    Primitive neuroectodermal tumor (PNET)[127][128][129] Positive for:

    Negative for:

    Also known as:

    WHO classified PNET into 3 subtypes:

    Peripheral PNET (pPNET) is now thought to be virtually identical to Ewing sarcoma

    Reference

    Reference

    1. ↑ Economou, Athanasios; Pitta, Xanthi; Andreadis, Efstathios; Papapavlou, Leonidas; Chrissidis, Thomas (2011). “Desmoid tumor of the abdominal wall: a case report”. Journal of Medical Case Reports. 5 (1): 326. doi:10.1186/1752-1947-5-326. ISSNΒ 1752-1947.
    2. ↑ Kasper B, StrΓΆbel P, Hohenberger P (2011). “Desmoid tumors: clinical features and treatment options for advanced disease”. Oncologist. 16 (5): 682–93. doi:10.1634/theoncologist.2010-0281. PMCΒ 3228186. PMIDΒ 21478276.
    3. ↑ Carlson JW, Fletcher CD (2007). “Immunohistochemistry for beta-catenin in the differential diagnosis of spindle cell lesions: analysis of a series and review of the literature”. Histopathology. 51 (4): 509–14. doi:10.1111/j.1365-2559.2007.02794.x. PMIDΒ 17711447.
    4. ↑ 4.0 4.1 Wu X, Petrovic V, Torode IP, Chow CW (2009). “Low grade fibromyxoid sarcoma: problems in the diagnosis and management of a malignant tumour with bland histological appearance”. Pathology. 41 (2): 155–60. doi:10.1080/00313020802579276. PMIDΒ 19152188.
    5. ↑ 5.0 5.1 Bartuma H, MΓΆller E, Collin A, Domanski HA, Von Steyern FV, Mandahl N; et al. (2010). “Fusion of the FUS and CREB3L2 genes in a supernumerary ring chromosome in low-grade fibromyxoid sarcoma”. Cancer Genet Cytogenet. 199 (2): 143–6. doi:10.1016/j.cancergencyto.2010.02.011. PMIDΒ 20471519.
    6. ↑ 6.0 6.1 Wehrli BM, Weiss SW, Yandow S, Coffin CM (2001). “Gardner-associated fibromas (GAF) in young patients: a distinct fibrous lesion that identifies unsuspected Gardner syndrome and risk for fibromatosis”. Am J Surg Pathol. 25 (5): 645–51. PMIDΒ 11342777.
    7. ↑ 7.0 7.1 Coffin CM, Hornick JL, Fletcher CD (2007). “Inflammatory myofibroblastic tumor: comparison of clinicopathologic, histologic, and immunohistochemical features including ALK expression in atypical and aggressive cases”. Am J Surg Pathol. 31 (4): 509–20. doi:10.1097/01.pas.0000213393.57322.c7. PMIDΒ 17414097.
    8. ↑ Swartz RD (2009). “Idiopathic retroperitoneal fibrosis: a review of the pathogenesis and approaches to treatment”. Am J Kidney Dis. 54 (3): 546–53. doi:10.1053/j.ajkd.2009.04.019. PMIDΒ 19515472.
    9. ↑ Doyle LA, MΓΆller E, Dal Cin P, Fletcher CD, Mertens F, Hornick JL (2011). “MUC4 is a highly sensitive and specific marker for low-grade fibromyxoid sarcoma”. Am J Surg Pathol. 35 (5): 733–41. doi:10.1097/PAS.0b013e318210c268. PMIDΒ 21415703.
    10. ↑ Lee AF, Yip S, Smith AC, Hayes MM, Nielsen TO, O’Connell JX (2011). “Low-grade fibromyxoid sarcoma of the perineum with heterotopic ossification: case report and review of the literature”. Hum Pathol. 42 (11): 1804–9. doi:10.1016/j.humpath.2011.01.023. PMIDΒ 21658743.
    11. ↑ Brasanac D, Dzelatovic NS, Stojanovic M (2013). “Giant cystic superficial low-grade fibromyxoid sarcoma”. Ann Diagn Pathol. 17 (2): 222–5. doi:10.1016/j.anndiagpath.2011.09.001. PMIDΒ 22136982.
    12. ↑ Vernon SE, Bejarano PA (2006). “Low-grade fibromyxoid sarcoma: a brief review”. Arch Pathol Lab Med. 130 (9): 1358–60. doi:10.1043/1543-2165(2006)130[1358:LFSABR]2.0.CO;2. PMIDΒ 16948525.
    13. ↑ Lane KL, Shannon RJ, Weiss SW (1997). “Hyalinizing spindle cell tumor with giant rosettes: a distinctive tumor closely resembling low-grade fibromyxoid sarcoma”. Am J Surg Pathol. 21 (12): 1481–8. PMIDΒ 9414192.
    14. ↑ Nielsen GP, Selig MK, O’Connell JX, Keel SB, Dickersin GR, Rosenberg AE (1999). “Hyalinizing spindle cell tumor with giant rosettes: a report of three cases with ultrastructural analysis”. Am J Surg Pathol. 23 (10): 1227–32. PMIDΒ 10524523.
    15. ↑ Hanau CA, Miettinen M (1995). “Solitary fibrous tumor: histological and immunohistochemical spectrum of benign and malignant variants presenting at different sites”. Hum Pathol. 26 (4): 440–9. PMIDΒ 7705824.
    16. ↑ de Saint Aubain Somerhausen N, Rubin BP, Fletcher CD (1999). “Myxoid solitary fibrous tumor: a study of seven cases with emphasis on differential diagnosis”. Mod Pathol. 12 (5): 463–71. PMIDΒ 10349983.
    17. ↑ Cranshaw IM, Gikas PD, Fisher C, Thway K, Thomas JM, Hayes AJ (2009). “Clinical outcomes of extra-thoracic solitary fibrous tumours”. Eur J Surg Oncol. 35 (9): 994–8. doi:10.1016/j.ejso.2009.02.015. PMIDΒ 19345055.
    18. ↑ England DM, Hochholzer L, McCarthy MJ (1989). “Localized benign and malignant fibrous tumors of the pleura. A clinicopathologic review of 223 cases”. Am J Surg Pathol. 13 (8): 640–58. PMIDΒ 2665534.
    19. ↑ Demicco EG, Park MS, Araujo DM, Fox PS, Bassett RL, Pollock RE; et al. (2012). “Solitary fibrous tumor: a clinicopathological study of 110 cases and proposed risk assessment model”. Mod Pathol. 25 (9): 1298–306. doi:10.1038/modpathol.2012.83. PMIDΒ 22575866.
    20. ↑ van Houdt WJ, Westerveld CM, Vrijenhoek JE, van Gorp J, van Coevorden F, Verhoef C; et al. (2013). “Prognosis of solitary fibrous tumors: a multicenter study”. Ann Surg Oncol. 20 (13): 4090–5. doi:10.1245/s10434-013-3242-9. PMIDΒ 24052313.
    21. ↑ Chmielecki J, Crago AM, Rosenberg M, O’Connor R, Walker SR, Ambrogio L; et al. (2013). “Whole-exome sequencing identifies a recurrent NAB2-STAT6 fusion in solitary fibrous tumors”. Nat Genet. 45 (2): 131–2. doi:10.1038/ng.2522. PMCΒ 3984043. PMIDΒ 23313954.
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    24. ↑ Coffin, Cheryl M.; Hornick, Jason L.; Zhou, Holly; Fletcher, Christopher D.M. (2007). “Gardner Fibroma: A Clinicopathologic and Immunohistochemical Analysis of 45 Patients With 57 Fibromas”. The American Journal of Surgical Pathology. 31 (3): 410–416. doi:10.1097/01.pas.0000213348.65014.0a. ISSNΒ 0147-5185.
    25. ↑ Dahl, Nathan A.; Sheil, Amy; Knapke, Sarah; Geller, James I. (2016). “Gardner Fibroma”. Journal of Pediatric Hematology/Oncology. 38 (5): e154–e157. doi:10.1097/MPH.0000000000000493. ISSNΒ 1077-4114.
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    33. ↑ 33.0 33.1 Wenig BM, Devaney K, Bisceglia M (1995). “Inflammatory myofibroblastic tumor of the larynx. A clinicopathologic study of eight cases simulating a malignant spindle cell neoplasm”. Cancer. 76 (11): 2217–29. PMIDΒ 8635024.
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