Search Results for miscellaneous

... into hollow tubules containing occasional degenerating cortical cells. Miscellaneous Cortical Findings.  “Fissure” Formation. Fissures or cyst-like cavities can form in adrenal gland specimens consequent to the combined effects of autolysis and physical manipulation ( fig. 1-34 ). The plane...

..., and there was a slight male predominance. Paragangliomas comprised 19 percent of the cases: 56 percent abdominal/retroperitoneal, 22 percent paraspinal, 10 percent urinary bladder, 9 percent thoracic, and 3 percent miscellaneous, including mesentery, uterus, ovary, testicle, or spermatic cord ( 39 ). Head and neck...

... . 24. Rongioletti   F , Ball   RA , Marcus   R , Barnhill   RL . Histopathological features of flexural melanocytic nevi: a study of 40 cases . J Cutan Pathol   2000 ; 27 : 215 - 7 . ACRAL NEVI GENITAL NEVI Nail Matrix Nevi MISCELLANEOUS SITES (SCALP, BREAST, EAR, UMBILICUS...

... methods are useful. Diffuse PRAME expression, loss of BAP1, and chromosomal aberrations typical of melanoma provide evidence in support of that diagnosis. However, caution is necessary not to interpret an isolated abnormal test result as proof of malignancy. Blue Melanoma versus Miscellaneous Pigment...

... with a melanocytic nevus  Superficial spreading or lentiginous melanoma with invasive nodular growth  Miscellaneous melanoma variants with nodular growth   Melanoma arising in association with a blue nevus   Deep penetrating nevus-like melanoma   Neurotropic and/or desmoplastic melanoma   Spitzoid...

... to the annotation of a melanoma as “superficial spreading type.” SSM versus Dysplastic Nevus or Other Nevi with Pagetoid Melanocytes. A common diagnostic challenge is the distinction of SMM from dysplastic nevi or miscellaneous nevi with pagetoid spread ( 3 , 7 ). This distinction can be difficult and subjective...

... as well as miscellaneous primary and metastatic nonmelanocytic neoplasms. Metastatic Melanoma Versus Primary Melanoma. The distinction between a primary and metastatic tumor is important for prognostic and therapeutic reasons. Some histologic features favor a primary over a metastatic tumor or vice versa...

... percent for melanomas of the nail bed ( 29 ). TERT promoter mutations are also less common in acral melanomas, but TERT aberrations (mutations, deletions, amplifications, translocations) are seen in up to 40 percent of tumors ( 30 ). Miscellaneous other mutations or aberrations have been...

... dermis. Miscellaneous findings commonly seen in acquired nevi include neurotization ( fig. 3-10 ), fatty metaplasia ( fig. 3-11 ), and pseudovascular changes ( fig. 3-12 ) ( 14 ). Additional features that may be seen include variable degrees of edema ( fig. 3-13 ), stromal fibrosis, and inflammation...

... histopathologic feature is the presence of dendritic melanocytes. Variations in the extent of associated features (fibrosis, pigmentation, epithelioid cell features) have led pathologists to propose miscellaneous subtypes of BN (e.g., amelanotic, sclerosing, epithelioid). The term cellular BN is used for more...

...-neoplastic, are discussed ( Table 14-1 ). Table 14-1 THE 2020 WHO CLASSIFICATION OF OTHER CARCINOMAS, MISCELLANEOUS TUMORS, AND TUMOR-LIKE CONDITIONS OF THE OVARY ^a Other Carcinomas  Mesonephric-like carcinoma  Undifferentiated and dedifferentiated carcinomas of the ovary...

... epithelial and mesenchymal, sex cord-stromal, germ cell, miscellaneous, tumor-like lesions, and metastases to ovary. Information specific to each entity is found in the relevant chapters in this book. DIAGNOSIS AND SCREENING Other than the obvious metastases to extrapelvic and extra-abdominal sites...

... tumors . Cancer   1971 ; 27 : 687 - 93 . 13. Kempson   RL , Hendrickson   MR . Miscellaneous types of surface epithelial neoplasms. The well-differentiated end of the morphologic spectrum of endometrioid, clear-cell, and Brenner tumors and mixed epithelioid tumors of low malignant...

... Inflammatory Myofibroblastic Tumor NONEPITHELIAL NEOPLASMS OF UNCERTAIN MALIGNANT POTENTIAL Gastrointestinal Stromal Tumor MISCELLANEOUS RARE NONEPITHELIAL NEOPLASMS Paraganglioma Hematolymphoid Neoplasms MALIGNANT NONEPITHELIAL NEOPLASMS Sarcomas Fibromatosis (Desmoid Tumor) Solitary Fibrous Tumor...

... leiomyosarcomas, some of which are referenced here ( 180 – 184 ). As with ovarian ( 185 ) and uterine leiomyosarcomas, tubal leiomyosarcomas show high cellularity, nuclear atypia, and an elevated mitotic index; necrosis may be observed. Miscellaneous Tumors The following tumors have been described in or adjacent...

.... Other sarcoma types   2. Hematolymphoid neoplasms    a. Lymphoma    b. Myeloid sarcoma  D. Miscellaneous nonepithelial neoplasms   1. Mature cystic teratoma   2. Mesothelial neoplasms    a. Adenomatoid tumor    b. Malignant mesothelioma   3. Paraganglioma III. Secondary...

... with hyperinsulinemic hypoglycemia after gastric bypass surgery . Islets   2018 ; 10 : 213 - 20 . Chronic Pancreatitis SOLID NON-NEOPLASTIC LESIONS OF THE EXOCRINE PANCREAS Simple Mucinous Cyst Pseudocyst Retention Cyst NON-NEOPLASTIC CYSTIC LESIONS OF THE EXOCRINE PANCREAS Hamartoma Miscellaneous Solid Lesions...

...    Adenocarcinoma of Skene gland origin    Adenosquamous carcinoma    Adenoid basal carcinoma  Mixed epithelial and mesenchymal tumors    Adenosarcoma  Miscellaneous tumors    Germ cell tumors Tumors of the Vulva  Epithelial tumors   Benign squamous lesions    Seborrheic keratosis...

...: review and regrouping of reported cases and a consideration of miscellaneous entities . J Urogenit Pathol   1991 ; 1 : 11 - 40 . 21. Al-Obaidy   KI , Alruwaii   FI , Ulbright   TM , Idrees   MT . Appendageal tumors and tumor-like lesions of the testis and paratestis: a 32-years...

... Tumors Rhabdomyoma MISCELLANEOUS TUMORS Melanoma Smooth Muscle Tumors Yolk Sac Tumor Rhabdomyosarcoma Other Mesenchymal Tumors Endometrioid Stromal Sarcoma Carcinosarcoma MESENCHYMAL TUMORS Mammary-Type Myofibroblastoma Adenoid Basal and Other Basaloid Carcinomas Neuroendocrine Carcinoma...