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Adult rhabdomyosarcoma

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https://www.readbyqxmd.com/read/28048825/su-f-t-50-evaluation-of-monte-carlo-simulations-performance-for-pediatric-brachytherapy-dosimetry
#1
C Chatzipapas, P Papadimitroulas, G Loudos, N Papanikolaou, G Kagadis
PURPOSE: Pediatric tumors are generally treated with multi-modal procedures. Brachytherapy can be used with pediatric tumors, especially given that in this patient population low toxicity on normal tissues is critical as is the suppression of the probability for late malignancies. Our goal is to validate the GATE toolkit on realistic brachytherapy applications, and evaluate brachytherapy plans on pediatrics for accurate dosimetry on sensitive and critical organs of interest. METHODS: The GATE Monte Carlo (MC) toolkit was used...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28039349/primary-embryonal-rhabdomyosarcoma-of-the-liver
#2
Aditi Arora, Ritika Jaiswal, Nidhi Anand, Nuzhat Husain
Rhabdomyosarcomas are malignant neoplasms with striated muscle differentiation. This is the most common type of soft-tissue sarcoma in children, but occurs rarely in adults. Its occurrence in liver is infrequent. We report a case of primary hepatic embryonal rhabdomyosarcoma in a 67-year-old man. The tumour was occupying the left lobe of the liver with large component of lesion seen bulging in left subhepatic space indenting over the stomach, compressing the pancreas and gall bladder. A percutaneous biopsy was performed which revealed embryonal rhabdomyosarcoma...
December 30, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/28035748/a-phase-i-study-of-perifosine-with-temsirolimus-for-recurrent-pediatric-solid-tumors
#3
Oren J Becher, Stephen W Gilheeney, Yasmin Khakoo, David C Lyden, Sofia Haque, Kevin C De Braganca, Jill M Kolesar, Jason T Huse, Shakeel Modak, Leonard H Wexler, Kim Kramer, Ivan Spasojevic, Ira J Dunkel
BACKGROUND: The PI3K/AKT/mTOR pathway is aberrantly activated in many pediatric solid tumors including gliomas and medulloblastomas. Preclinical data in a pediatric glioma model demonstrated that the combination of perifosine (AKT inhibitor) and temsirolimus (mTOR inhibitor) is more potent at inhibiting the axis than either agent alone. We conducted this study to assess pharmacokinetics and identify the maximum tolerated dose for the combination. PROCEDURE: We performed a standard 3+3 phase I, open-label, dose-escalation study in patients with recurrent/refractory pediatric solid tumors...
December 30, 2016: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28009608/fosb-is-a-useful-diagnostic-marker-for-pseudomyogenic-hemangioendothelioma
#4
Yin P Hung, Christopher D M Fletcher, Jason L Hornick
Pseudomyogenic (epithelioid sarcoma-like) hemangioendothelioma is a distinctive vascular neoplasm of intermediate biological potential with a predilection for young adults and frequent multifocal presentation. Pseudomyogenic hemangioendothelioma is characterized by loose fascicles of plump spindled and epithelioid cells with abundant eosinophilic cytoplasm and coexpression of keratins and endothelial markers. Recently, a SERPINE1-FOSB fusion has been identified as a consistent genetic alteration in pseudomyogenic hemangioendothelioma...
December 22, 2016: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27998313/embryonal-rhabdomyosarcoma-of-the-perineum-in-an-adult-a-case-report
#5
Sidy Ka, Freddy Gnangnon, Mamadou Moustapha Dieng, Doudou Diouf, Jaafar Thiam, Pape Macoumba Gaye, Ahmadou Dem
BACKGROUND: We report the case of an adult patient with embryonal rhabdomyosarcoma of the perineum admitted to our practice at Joliot Curie Institute in Dakar. It is a rare tumor at this age and has a bad prognosis at this localization. CASE PRESENTATION: We describe the case of a 22-year-old African man admitted for a perineal mass that had evolved over 6 months. He complained of tenesmus, obstinate constipation, and dysuria. A clinical examination revealed perineal swelling spread over his anus, scrotum, penis, testicles, and inguinal lymph nodes...
December 20, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/27986268/-incidence-and-risk-factors-for-ifosfamide-related-encephalopathy-in-sarcoma-patients
#6
Natacha Stern, Ilyes Sakji, Anne-Sophie Defachelles, Cyril Lervat, Thomas Ryckewaert, Guillaume Marliot, Charlotte Peugniez, Dominique Deplanque, Nicolas Penel
CONTEXT: Ifosfamide remains one of the major cytotoxic drugs for sarcoma management. Ifosfamid-related encephalopathy (IRE) is a rare but severe adverse event, without clearly identified risk factors. METHOD: We have carried out a single-center, retrospective study to assess the occurrence and the risk factors for IRE after the two first cycles of chemotherapy. We have collected the data-describing patients, biological data, tumors characteristics (histology, leptomeningeal metastasis) and ifosfamide administration modalities...
December 13, 2016: Bulletin du Cancer
https://www.readbyqxmd.com/read/27955731/non-rhabdomyosarcoma
#7
Roshni Dasgupta, David Rodeberg
Pediatric non-rhabdomyosarcoma soft tissue sarcomas (NRSTS) are a heterogeneous group encompassing more than 50 different histological diagnoses arising from primitive mesenchymal tissue. Together, they comprise about half the soft tissue sarcomas diagnosed in children and young adults. Despite each histologies relative rarity, their management schema is similar among the different NRSTS histologies. Surgical management is an important component of the multimodal treatment strategy of all these tumors. Resection with negative margins, while maintaining function, plays an important role as a primary treatment of these patients as well as diminishing the risks of local and distant recurrence...
October 2016: Seminars in Pediatric Surgery
https://www.readbyqxmd.com/read/27942480/diagnostic-imaging-of-benign-and-malignant-neck-masses-in-children-a-pictorial-review
#8
REVIEW
Ruth Elizabeth Brown, Srikrishna Harave
Neck masses are frequently encountered in pediatric medicine, and can present a diagnostic dilemma for the clinicians involved. There are several means by which neck masses in children can be subdivided, for example by age at presentation, anatomical location including compartments and fascia of the neck, their classical appearance when imaged, or by etiology. When imaging children the clinicians must be mindful of radiation exposure and as such ultrasound (US) is often attempted first. Cross sectional imaging can be helpful for problem solving with CT being particularly useful for assessing the patient in more acute scenarios, for example when there is airway compromise...
October 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/27932889/alveolar-rhabdomyosarcoma-of-the-sphenoid-sinus-mimicking-optic-neuritis-presenting-with-intermittent-visual-loss-in-an-adult
#9
Wendong Liu, Libin Jiang, Yulan Jin, Bentao Yang, Timothy Yy Lai
A 23-year-old male with intermittent visual loss in his left eye for 4 months was originally treated as optic neuritis elsewhere. Upon presentation to our hospital (Beijing Tongren Hospital), his left eye visual acuity was reduced to hand motion at face. The left eye ocular motility was limited in upgaze, downgaze, adduction, and abduction. Computed tomography and magnetic resonance imaging revealed lesions in the sphenoid and ethmoid sinuses, orbital apex and carvernous sinus invading adjacent extraocular muscles...
2016: OncoTargets and Therapy
https://www.readbyqxmd.com/read/27896667/head-and-neck-rhabdomyosarcoma-clinical-and-pathologic-characterization-of-seven-cases
#10
Eleanor Chen, Robert Ricciotti, Neal Futran, Dolphine Oda
Head and neck rhabdomyosarcoma occurs frequently in children and adolescents, and has been well studied in that population. In contrast, it is rare in adults and is not as well characterized clinically and pathologically. Seven cases of adult rhabdomyosarcoma occurring in head and neck were retrieved from the archives of Department of Pathology and Division of Oral Pathology at University of Washington. Radiologic findings and clinical history, as well as pathologic findings from hematoxylin and eosin slides and immunohistochemistry for myogenic markers were reviewed...
November 28, 2016: Head and Neck Pathology
https://www.readbyqxmd.com/read/27894759/pancreaticoduodenectomy-for-pediatric-and-adolescent-pancreatic-malignancy-a-single-center-retrospective-analysis
#11
Erika B Lindholm, Abdulaziz K Alkattan, Sara J Abramson, Anita P Price, Todd E Heaton, Vinod P Balachandran, Michael P La Quaglia
PURPOSE: While pancreaticoduodenectomy (PD) has been extensively studied in adults, there are few data pertaining specifically to pediatric patients. We retrospectively analyzed PD-associated morbidity and mortality in pediatric patients. METHODS: Our analytic cohort included all consecutive patients ≤18years of age treated at our institution from 1993 to 2015 who underwent PD. Patient data (demographics, disease characteristics, surgical and adjuvant treatment, length of hospital stay, and postoperative course) were extracted from the medical records...
November 16, 2016: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/27879537/rhabdomyosarcoma-of-the-breast-in-adolescent-and-young-adult-aya-women
#12
Anthony N Audino, Bhuvana A Setty, Nicholas D Yeager
Soft tissue sarcoma constitutes 8% of all tumors in adolescent and young adults (AYA), with rhabdomyosarcoma (RMS) accounting for 5.2% to 6.5% of the soft tissue sarcoma total within this group. AYAs have a higher propensity for metastasis and inferior outcomes. Metastases to the breast have been reported in ∼3% to 6% of RMS cases. A review of our hospital's tumor registry identified cases of RMS diagnosed between January 1, 2004 and December 31, 2013. A total of 46 patients with RMS were identified, having a mean age of 12...
January 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/27879517/dux4-immunohistochemistry-is-a-highly-sensitive-and-specific-marker-for-cic-dux4-fusion-positive-round-cell-tumor
#13
Bradford Siegele, Jon Roberts, Jennifer O Black, Erin Rudzinski, Sara O Vargas, Csaba Galambos
The histologic differential diagnosis of pediatric and adult round cell tumors is vast and includes the recently recognized entity CIC-DUX4 fusion-positive round cell tumor. The diagnosis of CIC-DUX4 tumor can be suggested by light microscopic and immunohistochemical features, but currently, definitive diagnosis requires ancillary genetic testing such as conventional karyotyping, fluorescence in situ hybridization, or molecular methods. We sought to determine whether DUX4 expression would serve as a fusion-specific immunohistochemical marker distinguishing CIC-DUX4 tumor from potential histologic mimics...
November 22, 2016: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27869363/is-the-memorial-sloan-kettering-cancer-centre-mskcc-sarcoma-nomogram-useful-in-an-asian-population
#14
Deanna Wan Jie Ng, Grace Hwei Ching Tan, Claramae Shulyn Chia, Cindy Xindi Lim, Soo Khee Chee, Richard Hong Hui Quek, Mohamad Farid, Melissa Ching Ching Teo
AIM: A nomogram for prediction of 12-year sarcoma-specific survival has been developed based on patients with soft tissue sarcomas treated in Memorial Sloan Kettering Cancer Centre (MSKCC). We aim to evaluate the predictive accuracy of the MSKCC sarcoma nomogram in a cohort of patients treated at an Asian institution. This has not been validated in an Asian population and thus its universal applicability remains unproven. MATERIALS AND METHODS: Between 1990 and 2013, 840 adult patients underwent treatment for primary soft tissue sarcoma (STS) at the National Cancer Centre Singapore...
November 21, 2016: Asia-Pacific Journal of Clinical Oncology
https://www.readbyqxmd.com/read/27830986/patient-derived-orthotopic-xenograft-pdox-mouse-model-of-adult-rhabdomyosarcoma-invades-and-recurs-after-resection-in-contrast-to-the-subcutaneous-ectopic-model
#15
Kentaro Igarashi, Kei Kawaguchi, Tasuku Kiyuna, Takashi Murakami, Shinji Miwa, Scott D Nelson, Sarah M Dry, Yunfeng Li, Arun Singh, Hiroaki Kimura, Katsuhiro Hayashi, Norio Yamamoto, Hiroyuki Tsuchiya, Fritz C Eilber, Robert M Hoffman
: Rhabdomyosarcoma (RMS) is a rare mesenchymal tumor. The aim of the present study was to develop a patient-derived orthotopic xenograft (PDOX) mouse model of RMS and compare the PDOX model to a subcutaneous (s.c.)-transplant model. A patient RMS from a striated muscle was grown orthotopically in the right biceps femoris muscle and right quadriceps muscle of nude mice to establish a PDOX model, as well as under the skin to establish an s.c. MODEL: PDOX tumors grew at a statistically-significant faster rate compared to the s...
November 10, 2016: Cell Cycle
https://www.readbyqxmd.com/read/27824794/balloon-kyphoplasty-for-managing-intractable-pain-in-pediatric-pathologic-vertebral-fractures
#16
Jane S Hoashi, Stefanie M Thomas, Ryan C Goodwin, David P Gurd, Rabi Hanna, Thomas E Kuivila
BACKGROUND: Vertebral compression fractures are a common result of osteoporosis and osteopenia secondary to steroid use and chemotherapy treatment. Balloon kyphoplasty is a treatment option with good to excellent results well described in adults. Although a few recent studies have been published regarding the use of kyphoplasty in children, no formal indication exists for the pediatric population. The purpose of this study is to describe the outcomes of 3 chronically ill children with intractable pain from vertebral compression fractures, managed with kyphoplasty...
November 7, 2016: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/27801731/dedifferentiated-liposarcoma-masquerading-as-rhabdomyosarcoma
#17
Anna Kobayashi, Takanori Hirose, Eiji Kudo, Youichiro Kawashita, Toshiyuki Yagi
We present a rare case of retroperitoneal dedifferentiated liposarcoma (DDLPS) masquerading as rhabdomyosarcoma. The patient was a 74-year-old man, complaining a loss of appetite. Abdominal computed tomography revealed a retroperitoneal mass, 10 cm in diameter, between the liver and the right adrenal gland. The tumor was resected and histologically diagnosed as conventional DDLPS, in which dedifferentiated component was highly cellular and composed of pleomorphic anaplastic cells. After 3 years, the tumor recurred in the right retroperitoneal space...
October 31, 2016: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/27751600/pediatric-soft-tissue-tumor-pathology-a-happy-morpho-molecular-union
#18
Maureen O'Sullivan
Since its foundation by remarkably talented and insightful individuals, prominently including Pepper Dehner, pediatric soft tissue tumor pathology has developed at an immense rate. The morphologic classification of tumoral entities has extensively been corroborated, but has also evolved with refinement or realignment of these classifications, through accruing molecular data, with many derivative ancillary diagnostic assays now already well-established. Tumors of unclear histogenesis, classically morphologically undifferentiated, are prominent amongst pediatric sarcomas, however, the classes of undifferentiated round- or spindle-cell-tumors-not-otherwise-specified are being dismantled gradually with the identification of their molecular underpinnings...
November 2016: Seminars in Diagnostic Pathology
https://www.readbyqxmd.com/read/27721622/embryonal-rhabdomyosarcoma-a-rare-oral-tumor
#19
Sila Datta, Jay Gopal Ray, Tushar Deb, Santanu Patsa
Rhabdomyosarcoma is the malignant neoplasm of striated muscle and a relatively uncommon tumor of the oral cavity. Embryonal variety is the most common subtype, observed in children below 10 years of age but occasionally seen in adolescents and young adults. The present report describes a case of embryonal rhabdomyosarcoma in the left posterior buccal mucosa, with extension in the adjacent alveolus, soft palate, oropharynx and nasopharynx of a 17-year-old female.
September 2016: Journal of Oral and Maxillofacial Pathology: JOMFP
https://www.readbyqxmd.com/read/27703644/rhabdomyosarcoma-of-cervix-a-case-report
#20
Maryam Sadat Hosseini, Tahereh Ashrafganjoei, Ainaz Sourati, Morteza Tabatabeifar, Mahdiss Mohamadianamiri
INTRODUCTION: Rhabdomyosarcoma has known as a highly malignant soft tissue sarcoma. It has been the most common soft tissue sarcoma in childhood, accounting for about 3 to 4 % of all cases of childhood cancer. Rhabdomyosarcoma was rare in adults, accounting for 3% of all soft-tissue sarcomas. embryonal rhabdomyosarcoma of female genital tract including uterine cervix in an adult was rare. CASE PRESENTATION: This study has reported a 33-year-old woman presented with abnormal vaginal discharge...
June 2016: Iranian Journal of Cancer Prevention
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