Knowledge (XXG)

Myoepithelioma of the head and neck

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Benign myoepithelioma are treated with simple excision. They are less prone to recurrence than pleomorphic adenoma. Malignant myoepitheliomas are excised and have been treated in the past with
88:. When malignant, which is exceedingly rare, they are known as malignant myoepithelioma or Myoepithelial carcinoma, and they account for 1% of the salivary tumors with poor prognosis. 258: 119:
are absent, or present in a small amount (<5%) by definition. Tumours with myoepithelial cells and a large amount of tubules are classified as
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Barnes, L.; Appel, BN.; Perez, H.; El-Attar, AM. (Jan 1985). "Myoepithelioma of the head and neck: case report and review".
390: 363: 123:(which must also contain the characteristic chondromyxoid stroma, which is normally absent in myoepithelioma). 299:"Ectomesenchymal chondromyxoid tumor of the anterior tongue. Nineteen cases of a new clinicopathologic entity" 153: 141: 186: 120: 28: 326: 239: 318: 231: 48: 310: 270: 223: 259:"Myoepithelial carcinoma of the head and neck: A report of 23 cases and literature review" 115:
The myoepithelial cells may be spindled, plasmacytoid, eithelioid or clear. Tubules or
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Myoepitheliomas are diagnosed from an examination of the tissue by a
100: 85: 77: 298: 103:. A similar tumor type may be found in the tongue, referred to as 297:
Smith BC, Ellis GL, Meis-Kindblom JM, Williams SB (May 1995).
345: 349: 59: 47: 21: 257:Wu, Tao; Lao, Zhiwei; Tang, Jun (1 January 2014). 209: 207: 8: 346: 27: 18: 274: 269:(2–3). Cancer Treatment Groups: 24–29. 203: 137: 95:. Classically, they are found in the 91:As the name suggests, it consists of 7: 192:Ectomesenchymal Chondromyxoid tumor 105:ectomesenchymal chondromyxoid tumor 70:Myoepithelioma of the head and neck 22:Myoepithelioma of the head and neck 14: 315:10.1097/00000478-199505000-00003 152: 140: 263:Cancer Treatment Communications 1: 412: 276:10.1016/j.ctrc.2014.08.002 63:Benign, Malignant (rarely) 35: 26: 396:Salivary gland neoplasia 228:10.1002/jso.2930280107 173:but are prone to both 76:, is a salivary gland 39:of a myoepithelioma. 121:pleomorphic adenomas 187:Pleomorphic adenoma 177:and re-occurrence. 93:myoepithelial cells 378: 377: 67: 66: 16:Medical condition 403: 391:Benign neoplasms 347: 335: 334: 303:Am J Surg Pathol 294: 288: 287: 285: 283: 278: 254: 248: 247: 211: 156: 144: 84:that is usually 31: 19: 411: 410: 406: 405: 404: 402: 401: 400: 381: 380: 379: 374: 373: 358: 344: 339: 338: 296: 295: 291: 281: 279: 256: 255: 251: 213: 212: 205: 200: 183: 167: 160: 157: 148: 145: 129: 113: 17: 12: 11: 5: 409: 407: 399: 398: 393: 383: 382: 376: 375: 372: 371: 359: 354: 353: 351: 350:Classification 343: 342:External links 340: 337: 336: 289: 249: 202: 201: 199: 196: 195: 194: 189: 182: 179: 166: 163: 162: 161: 158: 151: 149: 146: 139: 128: 125: 112: 109: 74:myoepithelioma 65: 64: 61: 57: 56: 51: 45: 44: 33: 32: 24: 23: 15: 13: 10: 9: 6: 4: 3: 2: 408: 397: 394: 392: 389: 388: 386: 370: 366: 365: 361: 360: 357: 352: 348: 341: 332: 328: 324: 320: 316: 312: 309:(5): 519–30. 308: 304: 300: 293: 290: 277: 272: 268: 264: 260: 253: 250: 245: 241: 237: 233: 229: 225: 221: 217: 210: 208: 204: 197: 193: 190: 188: 185: 184: 180: 178: 176: 172: 164: 155: 150: 143: 138: 136: 134: 126: 124: 122: 118: 110: 108: 106: 102: 98: 97:parotid gland 94: 89: 87: 83: 82:head and neck 79: 75: 71: 62: 58: 55: 52: 50: 46: 42: 41:H&E stain 38: 34: 30: 25: 20: 362: 306: 302: 292: 280:. Retrieved 266: 262: 252: 219: 216:J Surg Oncol 215: 168: 130: 114: 90: 73: 69: 68: 282:9 September 222:(1): 21–8. 171:dacarbazine 133:pathologist 385:Categories 198:References 175:metastasis 117:epithelium 37:Micrograph 165:Treatment 159:High mag. 127:Diagnosis 111:Pathology 49:Specialty 331:21161742 244:71988813 181:See also 147:Low mag. 54:Oncology 369:D009208 323:7726361 236:2982059 80:of the 72:, also 329:  321:  242:  234:  101:palate 86:benign 78:tumour 327:S2CID 240:S2CID 60:Types 364:MeSH 319:PMID 284:2020 232:PMID 311:doi 271:doi 224:doi 99:or 387:: 367:: 325:. 317:. 307:19 305:. 301:. 265:. 261:. 238:. 230:. 220:28 218:. 206:^ 135:. 107:. 356:D 333:. 313:: 286:. 273:: 267:2 246:. 226:: 43:.

Index


Micrograph
H&E stain
Specialty
Oncology
tumour
head and neck
benign
myoepithelial cells
parotid gland
palate
ectomesenchymal chondromyxoid tumor
epithelium
pleomorphic adenomas
pathologist
Low mag.
High mag.
dacarbazine
metastasis
Pleomorphic adenoma
Ectomesenchymal Chondromyxoid tumor


doi
10.1002/jso.2930280107
PMID
2982059
S2CID
71988813
"Myoepithelial carcinoma of the head and neck: A report of 23 cases and literature review"

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