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Smooth muscle tumor of uncertain malignant potential

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consists of a zone of hyalinized collagen between dead cells and preserved cells, commonly eosinophilic. If dead nuclei present, they are uniform and the chromatin is often. Necrosis secondary to ulceration in submucous leiomyomas features acute inflammatory cells and a peripheral reparative process, whereas ghost outlines of nuclei are usually inconspicuous or absent.
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tumor cell necrosis is common in clinically malignant smooth muscle cell tumors. It consists of an abrupt transition between necrotic cells and preserved cells. Ghost nuclei from necrotic cells are often seen, but inflammatory cells are uncommon. Hyalinizing necrosis is more common in leiomyomas. It
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No or mild atypia, no tumor cell necrosis ⇒ leiomyoma. If 5 or more mitotic figures are present in 10 high powered fields but the behavior still appears benign, may append “with significant mitotic activity”.
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Ip PP, Cheung AN, Clement PB (July 2009). "Uterine smooth muscle tumors of uncertain malignant potential (STUMP): a clinicopathologic analysis of 16 cases".
181:. Hairy extensions from an empty center favor a non-mitosis. Count 4 sets of 10 fields in the area of highest mitotic activity and use the highest count 476: 381:
Chen WY, Yang AH, Liu HC (April 1991). "Spindle cell stromal tumors of gastrointestinal tract: a histological and immunohistochemical study".
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Hairy extensions of chromatin must be present, extending from a central clot-like dense mass of
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The Bell criteria were developed to help categorize them and differentiate them from their main
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Evaluation of the mitotic figures in a STUMP requires evaluation of 3 specific criteria
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Guntupalli SR, Ramirez PT, Anderson ML, Milam MR, Bodurka DC, Malpica A (June 2009).
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severe: obvious pleomorphism, enlarged bizarre nuclei with dense chromatin,
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moderate: many large, plump, irregular nuclei, 1-2 mitotic figures
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that may behave like a benign tumor or a cancerous tumor.
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Prostatic stromal tumor of uncertain malignant potential
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prostatic stromal tumor of uncertain malignant potential
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Multiple cutaneous and uterine leiomyomatosis syndrome
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Moderate to severe atypia without tumor cell necrosis
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Moderate to severe atypia and tumor cell necrosis ⇒
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Smooth muscle tumor of uncertain malignant potential
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Bell's criteria do not apply to extrauterine tumors
243:if < 10 mitotic figures per high power field or 43:but its sources remain unclear because it lacks 484: 8: 324:Ng JS, Han A, Chew SH, Low J (August 2010). 249:if ≥ 10 mitotic figures per high power field 100:This tumor should not be confused with the 900: 558: 549: 491: 477: 469: 427: 306: 74:Learn how and when to remove this message 104:which may be abbreviated the same way ( 93:, is an uncommon tumor of the uterine 7: 530:Desmoplastic small-round-cell tumor 14: 607:Aggressive infantile fibromatosis 1098:Clear-cell sarcoma of the kidney 402:Pernick, Nat (August 11, 2020). 20: 866:Intradermal spindle cell lipoma 575:Dermatofibrosarcoma protuberans 383:Zhonghua Yi Xue Za Zhi (Taipei) 258:(mitotic figures don’t matter). 694:Malignant fibrous histiocytoma 642:Infantile digital fibromatosis 627:Familial myxovascular fibromas 622:Diffuse infantile fibromatosis 1: 740:Superficial acral fibromyxoma 647:Juvenile hyaline fibromatosis 1041:Solitary cutaneous leiomyoma 1031:Multiple cutaneous leiomyoma 752:Ossifying fibromyxoid tumour 366:10.1097/PAS.0b013e3181a02d1c 689:Benign fibrous histiocytoma 299:10.1016/j.ygyno.2009.02.020 1173: 969:Embryonal rhabdomyosarcoma 545:Connective tissue neoplasm 1093:Malignant rhabdoid tumour 1060:Complex mixed and stromal 989: 981:Alveolar rhabdomyosarcoma 408:www.pathologyoutlines.com 202:, degenerated cells, and 632:Fibroma of tendon sheath 29:This article includes a 662:Oral submucous fibrosis 602:Aggressive fibromatosis 518:Not otherwise specified 58:more precise citations. 704:Solitary fibrous tumor 699:Atypical fibroxanthoma 333:Ann. Acad. Med. Singap 113:differential diagnoses 1078:Mixed MĂĽllerian tumor 161:, enlarged, atypical 1083:Mesoblastic nephroma 652:Plantar fibromatosis 580:Desmoplastic fibroma 1073:Pleomorphic adenoma 881:Spindle cell lipoma 681:histiocytic sarcoma 657:Pleomorphic fibroma 617:Collagenous fibroma 612:Aponeurotic fibroma 525:Soft-tissue sarcoma 354:Am. J. Surg. Pathol 1036:Neural fibrolipoma 1011:Angiolipoleiomyoma 974:Sarcoma botryoides 871:Pleomorphic lipoma 840:Myxoid liposarcoma 804:Clear-cell sarcoma 637:Fibromatosis colli 241:atypical leiomyoma 31:list of references 1144: 1143: 1136:Adenomatoid tumor 1108:Pancreatoblastoma 1054: 1053: 1016:Genital leiomyoma 876:Lipoblastomatosis 812: 811: 712: 711: 667:Pachydermodactyly 463: 462: 121:uterine leiomyoma 84: 83: 76: 1164: 965:rhabdomyosarcoma 954: 930: 906: 901: 861:Chondroid lipoma 799:Synovial sarcoma 735:Cutaneous myxoma 559: 550: 493: 486: 479: 470: 428: 418: 416: 414: 398: 377: 348: 330: 320: 310: 186:nuclear membrane 140:minimal: smooth 79: 72: 68: 65: 59: 54:this article by 45:inline citations 24: 23: 16: 1172: 1171: 1167: 1166: 1165: 1163: 1162: 1161: 1157:Types of cancer 1147: 1146: 1145: 1140: 1117: 1050: 985: 952:Skeletal muscle 950: 945: 926: 921: 904: 890: 808: 784: 780:Phyllodes tumor 762:Fibroepithelial 756: 708: 671: 584: 539: 513: 497: 466: 464: 459: 458: 439: 425: 412: 410: 401: 380: 360:(7): 992–1005. 351: 328: 323: 280: 277: 265: 228: 216: 200:stripped nuclei 171: 169:Mitotic figures 134: 129: 80: 69: 63: 60: 49: 35:related reading 25: 21: 12: 11: 5: 1170: 1168: 1160: 1159: 1149: 1148: 1142: 1141: 1139: 1138: 1133: 1127: 1125: 1119: 1118: 1116: 1115: 1113:Carcinosarcoma 1110: 1105: 1103:Hepatoblastoma 1100: 1095: 1090: 1085: 1080: 1075: 1070: 1064: 1062: 1056: 1055: 1052: 1051: 1049: 1048: 1043: 1038: 1033: 1028: 1023: 1021:Leiomyosarcoma 1018: 1013: 1008: 1006:Angioleiomyoma 1003: 1002: 1001: 990: 987: 986: 984: 983: 978: 977: 976: 957: 955: 947: 946: 944: 943: 941:leiomyosarcoma 933: 931: 923: 922: 920: 919: 909: 907: 898: 892: 891: 889: 888: 883: 878: 873: 868: 863: 857: 856: 855: 854: 852:Angiomyolipoma 844: 843: 842: 837: 822: 820: 814: 813: 810: 809: 807: 806: 801: 795: 793: 786: 785: 783: 782: 777: 772: 770:Brenner tumour 766: 764: 758: 757: 755: 754: 749: 744: 743: 742: 737: 722: 720: 714: 713: 710: 709: 707: 706: 701: 696: 691: 685: 683: 673: 672: 670: 669: 664: 659: 654: 649: 644: 639: 634: 629: 624: 619: 614: 609: 604: 598: 596: 586: 585: 583: 582: 577: 571: 569: 556: 547: 541: 540: 538: 537: 532: 527: 521: 519: 515: 514: 498: 496: 495: 488: 481: 473: 461: 460: 457: 456: 440: 435: 434: 432: 431:Classification 424: 423:External links 421: 420: 419: 399: 378: 349: 321: 287:Gynecol. Oncol 276: 273: 272: 271: 264: 261: 260: 259: 256:leiomyosarcoma 252: 251: 250: 247:leiomyosarcoma 244: 235: 232: 227: 224: 215: 212: 211: 210: 188: 182: 170: 167: 166: 165: 159:multinucleated 151: 148: 138: 133: 130: 128: 125: 117:leiomyosarcoma 89:, abbreviated 82: 81: 39:external links 28: 26: 19: 13: 10: 9: 6: 4: 3: 2: 1169: 1158: 1155: 1154: 1152: 1137: 1134: 1132: 1129: 1128: 1126: 1124: 1120: 1114: 1111: 1109: 1106: 1104: 1101: 1099: 1096: 1094: 1091: 1089: 1086: 1084: 1081: 1079: 1076: 1074: 1071: 1069: 1066: 1065: 1063: 1061: 1057: 1047: 1044: 1042: 1039: 1037: 1034: 1032: 1029: 1027: 1024: 1022: 1019: 1017: 1014: 1012: 1009: 1007: 1004: 1000: 997: 996: 995: 992: 991: 988: 982: 979: 975: 972: 971: 970: 966: 962: 959: 958: 956: 953: 948: 942: 938: 935: 934: 932: 929: 928:Smooth muscle 924: 918: 914: 911: 910: 908: 902: 899: 897: 893: 887: 884: 882: 879: 877: 874: 872: 869: 867: 864: 862: 859: 858: 853: 850: 849: 848: 845: 841: 838: 836: 833: 832: 831: 827: 824: 823: 821: 819: 815: 805: 802: 800: 797: 796: 794: 791: 787: 781: 778: 776: 773: 771: 768: 767: 765: 763: 759: 753: 750: 748: 745: 741: 738: 736: 733: 732: 731: 727: 724: 723: 721: 719: 715: 705: 702: 700: 697: 695: 692: 690: 687: 686: 684: 682: 678: 674: 668: 665: 663: 660: 658: 655: 653: 650: 648: 645: 643: 640: 638: 635: 633: 630: 628: 625: 623: 620: 618: 615: 613: 610: 608: 605: 603: 600: 599: 597: 595: 591: 587: 581: 578: 576: 573: 572: 570: 568: 564: 560: 557: 555: 551: 548: 546: 542: 536: 533: 531: 528: 526: 523: 522: 520: 516: 512: 508: 505: 501: 494: 489: 487: 482: 480: 475: 474: 471: 467: 455: 451: 450: 446: 442: 441: 438: 433: 429: 422: 409: 405: 400: 396: 392: 389:(4): 219–27. 388: 384: 379: 375: 371: 367: 363: 359: 355: 350: 346: 342: 338: 334: 327: 322: 318: 314: 309: 304: 300: 296: 292: 288: 284: 279: 278: 274: 270: 267: 266: 262: 257: 253: 248: 245: 242: 239: 238: 236: 233: 230: 229: 225: 223: 220: 213: 208: 205: 201: 197: 193: 189: 187: 183: 180: 176: 175: 174: 168: 164: 160: 156: 152: 149: 147: 143: 139: 136: 135: 131: 127:Bell criteria 126: 124: 122: 118: 114: 109: 107: 103: 98: 96: 95:smooth muscle 92: 88: 78: 75: 67: 57: 53: 47: 46: 40: 36: 32: 27: 18: 17: 1131:Mesothelioma 1088:Wilms' tumor 1045: 775:Fibroadenoma 677:Histiocytoma 594:fibromatosis 567:fibrosarcoma 535:Skin sarcoma 465: 443: 413:November 18, 411:. Retrieved 407: 386: 382: 357: 353: 339:(8): 625–8. 336: 332: 293:(3): 324–6. 290: 286: 217: 204:precipitated 172: 110: 105: 99: 90: 86: 85: 70: 61: 50:Please help 42: 1123:Mesothelial 961:Rhabdomyoma 835:Myelolipoma 830:liposarcoma 747:Angiomyxoma 730:myxosarcoma 554:Fibromatous 504:soft tissue 219:Coagulative 207:hematoxylin 192:lymphocytes 179:chromosomes 155:giant cells 56:introducing 1068:Adenomyoma 917:myosarcoma 818:Lipomatous 718:Myxomatous 500:Connective 275:References 196:mast cells 64:March 2012 999:Cutaneous 994:Leiomyoma 937:Leiomyoma 896:Myomatous 886:Hibernoma 226:Algorithm 190:Rule out 146:chromatin 1151:Category 790:Synovial 511:sarcomas 374:19417585 345:20838704 317:19342083 263:See also 214:Necrosis 163:nucleoli 157:, often 905:General 590:Fibroma 563:Fibroma 395:1710946 308:8248445 52:improve 847:PEComa 826:Lipoma 726:Myxoma 507:tumors 393:  372:  343:  315:  305:  142:nuclei 132:Atypia 1046:STUMP 913:Myoma 792:-like 454:D39.0 329:(PDF) 106:STUMP 91:STUMP 37:, or 509:and 415:2020 391:PMID 370:PMID 341:PMID 313:PMID 137:none 119:and 445:ICD 362:doi 303:PMC 295:doi 291:113 184:No 108:). 1153:: 967:: 452:: 449:10 406:. 387:47 385:. 368:. 358:33 356:. 337:39 335:. 331:. 311:. 301:. 289:. 285:. 198:, 194:, 123:. 115:, 41:, 33:, 963:/ 939:/ 915:/ 828:/ 728:/ 679:/ 592:/ 565:/ 502:/ 492:e 485:t 478:v 447:- 437:D 417:. 397:. 376:. 364:: 347:. 319:. 297:: 209:. 77:) 71:( 66:) 62:( 48:.

Index

list of references
related reading
external links
inline citations
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introducing
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smooth muscle
prostatic stromal tumor of uncertain malignant potential
differential diagnoses
leiomyosarcoma
uterine leiomyoma
nuclei
chromatin
giant cells
multinucleated
nucleoli
chromosomes
nuclear membrane
lymphocytes
mast cells
stripped nuclei
precipitated
hematoxylin
Coagulative
atypical leiomyoma
leiomyosarcoma
leiomyosarcoma
Prostatic stromal tumor of uncertain malignant potential
"Uterine smooth muscle tumor of uncertain malignant potential: a retrospective analysis"

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