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https://www.readbyqxmd.com/read/29894530/metastatic-meningioma-of-the-scalp
#1
Dhaval G Bhanusali, Candrice Heath, Deniz Gur, Sheryl Miller
Meningiomas generally present as slow-growing, expanding intracranial lesions and are the most common benign intracranial tumor in adults. Rarely, meningiomas can exhibit malignant potential and present as extracranial soft-tissue masses through extension or as primary extracranial cutaneous neoplasms. Although they are uncommonly encountered by dermatologists, it is important to include meningioma in the differential diagnosis for scalp neoplasms. We present a rare case of a 68-year-old woman with scalp metastasis of meningioma 11 years after initial resection of the primary tumor...
May 2018: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/29894529/squamoid-eccrine-ductal-carcinoma
#2
Jason Jacob, Lisa Kugelman
Squamoid eccrine ductal carcinoma (SEDC) is an extremely rare cutaneous tumor of unknown etiology. We report the case of a 77-year-old man with a history of treated chronic lymphocytic leukemia along with numerous basal cell and squamous cell carcinomas who presented for evaluation of a 5-cm, stellate, sclerotic plaque on the left chest of approximately 2 years' duration and a suspicious 3-mm pink papule on the right nasal sidewall of 2 months' duration. Initial histology of both lesions revealed carcinoma with squamous and ductal differentiation that extended from the undersurface of the epidermis, favoring a diagnosis of SEDC...
May 2018: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/29894433/eccrine-porocarcinoma-new-insights-and-a-systematic-review-of-the-literature
#3
Azadeh Nazemi, Shauna Higgins, Reyna Swift, Gino In, Kimberly Miller, Ashley Wysong
BACKGROUND: Eccrine porocarcinoma (EPC) is a rare cutaneous neoplasm with high potential for morbidity and mortality. Due to its rarity, there is a paucity of data profiling diagnosis, work-up, and management. OBJECTIVE: To consolidate reported information on demographics, diagnostics, clinical behavior, treatment modalities, and patient outcomes in EPC to provide a reference tool to optimize diagnosis and management. METHODS: A comprehensive PubMed search was performed from 1963 to November 2017 using PRISMA guidelines...
June 8, 2018: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/29893066/the-impact-of-extirpation-of-non-palpable-normal-sized-regional-lymph-nodes-on-staging-of-canine-cutaneous-mast-cell-tumours-a-multicentric-retrospective-study
#4
R Ferrari, L Marconato, P Buracco, P Boracchi, C Giudice, S Iussich, V Grieco, L E Chiti, E Favretto, D Stefanello
Metastasis to regional lymph nodes (RLNs) in dogs with cutaneous mast cell tumour (cMCT) has been correlated with shortened survival time and higher risk of spread to distant sites. In the present study, extirpation of non-palpable or normal-sized RLNs was included in the surgical management of cMCT in dogs. Correlations between histological nodal status (HN0-3) and tumour variables were analysed. Ninety-three dogs with single cMCT without distant metastasis that underwent wide surgical excision of the primary tumour and extirpation of non-palpable or normal-sized RLN were included...
June 12, 2018: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/29892673/cutaneous-metastasis-of-tonsillar-carcinoma-report-of-a-rare-case
#5
Amy E Ramser, Elise M Craig, Gregory R Delost, Elma Baron
No abstract text is available yet for this article.
July 2018: JAAD Case Reports
https://www.readbyqxmd.com/read/29891723/integrated-genomic-classification-of-melanocytic-tumors-of-the-central-nervous-system-using-mutation-analysis-copy-number-alterations-and-dna-methylation-profiling
#6
Klaus Griewank, Christian Koelsche, Johannes A P van de Nes, Daniel Schrimpf, Marco Gessi, Inga Möller, Antje Sucker, Richard A Scolyer, Michael E Buckland, Rajmohan Murali, Torsten Pietsch, Andreas von Deimling, Dirk Schadendorf
PURPOSE: In the central nervous system, distinguishing primary leptomeningeal melanocytic tumors from melanoma metastases and predicting their biological behavior solely using histopathologic criteria can be challenging. We aimed to assess the diagnostic and prognostic value of integrated molecular analysis. EXPERIMENTAL DESIGN: Targeted next-generation-sequencing, array-based genome-wide methylation analysis and BAP1 immunohistochemistry was performed on the largest cohort of central nervous system melanocytic tumors analyzed to date, incl...
June 11, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29889028/usefulness-of-18-f-fdg-pet-ct-in-cutaneous-melanoma-patients-with-negative-sentinel-lymph-nodes-and-high-clark-levels
#7
Özge Vural Topuz, Fatma Arzu Görtan, Zübeyde Rana Kaya Döner, Çetin Önsel, Haluk Burçak Sayman
OBJECTIVE: We investigated the utility of PET/CT in cutaneous melanoma (CM) patients with pathological negative sentinel lymph nodes (SLN), within the first year. METHODS: The results of PET/CTs and SLN biopsy (SLNB) in 65 patients (39 male and 26 female, mean age 53.8) with a PET/CT in the first postoperative year were evaluated. Within this cohort, the utility of early PET/CT imaging was assessed in patients with negative SLNB. McNemar test was used to compare PET/CT findings with SLNB results...
June 7, 2018: Molecular Imaging and Radionuclide Therapy
https://www.readbyqxmd.com/read/29888632/ww-domain-containing-e3-ubiquitin-protein-ligase-1-depletion-evokes-antitumor-effect-in-cutaneous-squamous-cell-carcinoma-by-inhibiting-signal-transducer-and-activator-of-transcription-3-signaling-pathway
#8
Yonghua Xia, Xiao Chang, Shi Lian, Wei Zhu
Objectives WW domain-containing E3 ubiquitin protein ligase 1 (WWP1) has been implicated in tumor progression. We aimed to investigate the role of WWP1 in cutaneous squamous cell carcinoma (CSCC). Methods WWP1 gene and protein levels were detected using semi-quantitative reverse transcription-polymerase chain reaction, immunohistochemistry and western blotting. The effects of WWP1 on cell cycle, apoptosis, cell migration and invasion were examined by flow cytometry, wound healing and Transwell assays, respectively...
January 1, 2018: Journal of International Medical Research
https://www.readbyqxmd.com/read/29886583/-clinicopathologic-features-of-primary-mucosal-cd30-positive-t-cell-lymphoproliferative-disorders-in-head-and-neck-region
#9
F Liu, M Li, L Y Zhang, L Guo, W W Hu, H L Rao
Objective: To study clinicopathologic features, prognosis and differential diagnoses of primary mucosal CD30-positive T-cell lymphoproliferative disorders of the head and neck(mCD30(+) TLPD-head and neck). Methods: Three cases of mCD30(+) TLPD-head and neck were collected from January 2014 to April 2017 at Sun Yat-Sen University Foshan Hospital. A literature review of mCD30(+) TLPD of head and neck was provided. Results: All three cases presented with either bulging/exophytic nodule or mucosal ulcer/erosion...
June 8, 2018: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/29869420/cutaneous-metastasis-in-a-patient-with-multiple-malignancies
#10
R C Liu, R Dutta, D F Sebaratnam
No abstract text is available yet for this article.
June 4, 2018: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/29866664/unusual-presentation-of-primary-cutaneous-melanoma-of-the-forearm-with-epitrochlear-and-axillary-lymphadenopathy
#11
Siok Yen Pow, Melissa Teo
In patients with primary cutaneous melanomas of the distal upper limb, metastatic involvement of the epitrochlear lymph nodes is uncommon. It belongs to a particular category of nodal metastasis termed as interval or in-transit lymphadenopathies often encountered by tumour cells as they spread from the primary sites. We describe the case of a 41-year-old woman who presented with a right forearm melanoma that was metastatic to both the epitrochlear and axillary lymph nodes. She underwent wide excision of the primary lesion as well as epitrochlear and axillary nodal clearances in the same sitting...
June 4, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29863656/a-3d-organotypic-melanoma-spheroid-skin-model
#12
Ines Müller, Dagmar Kulms
Malignant transformation of melanocytes, the pigment cells of human skin, causes formation of melanoma, a highly aggressive cancer with increased metastatic potential. Recently, mono-chemotherapies continue to improve by melanoma specific combination therapies with targeted kinase inhibitors. Still, metastatic melanoma remains a life-threatening disease because tumors exhibit primary resistance or develop resistance to novel therapies, thereby regaining tumorigenic capacity. In order to improve the therapeutic success of malignant melanoma, the determination of molecular mechanisms conferring resistance against conventional treatment approaches is necessary; however, it requires innovative cellular in vitro models...
May 18, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29863571/case-report-of-myeloid-sarcoma-masquerading-as-in-transit-metastasis-at-a-previous-melanoma-site-avoiding-a-diagnostic-pitfall
#13
Jonathan L Curry, Michael T Tetzlaff, Sa A Wang, Gene Landon, Nail Alouch, Sapna P Patel, Priyadharsini Nagarajan, Shiva Gupta, Phyu P Aung, Catherine E Devine, Joseph D Khoury, Sanam Loghavi, Victor G Prieto, Courtney D DiNardo, Jeffrey E Gershenwald
Myeloid sarcoma is a rare extramedullary hematologic malignancy. Accurate and timely diagnosis may be challenging because myeloid sarcoma is known to mimic solid tumors, including hepatobiliary, nasopharyngeal, and breast carcinomas. We report a case of myeloid sarcoma that developed in the primary tumor lymphatic drainage field of a previously treated intermediate-thickness cutaneous melanoma, clinically and radiographically mimicking an in-transit metastasis, in a patient with myelodysplastic syndrome. The diagnosis of myeloid sarcoma was achieved after surgical excision of the mass and pathological examination that included extensive immunohistochemical studies...
June 1, 2018: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/29860765/-the-role-of-preoperative-18-f-fdg-pet-ct-in-lymphatic-metastasis-diagnosis-of-cutaneous-malignant-melanoma-on-extremities-and-trunk
#14
X X Zhang, Y Fang, L B Xu, S F Xu, Z G Zhao, C Sun, P Q Ma, T Liu, S J Yu, W J Zhang
Objective: To evaluate the clinical value of preoperative (18)F-Fludeoxyglucose ((18)F-FDG PET-CT) in lymphatic metastasis diagnosis of cutaneous melanoma on extremities and trunk. Methods: 112 patients with cutaneous melanoma pathologically of extremities and trunk from January 2006 to December 2016, who received (18)F-FDG PET-CT examination preoperatively, were retrospectively reviewed. The correlations between the maximal diameters of lymph nodes, the maximal standard uptake value (SUV) and the diagnostic impression grades of PET-CT examination, and the final pathological diagnosis were analyzed...
May 23, 2018: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/29851784/comparison-between-wait-and-see-policy-and-elective-neck-dissection-in-clinically-n0-cutaneous-squamous-cell-carcinoma-of-head-and-neck
#15
Yan Xiao, Shuai Yuan, Fei Liu, Bing Liu, Juanfang Zhu, Wei He, Wenlu Li, Quancheng Kan
To analyze the superiority of wait-and-see policy and elective neck dissection in treating cN0 patients with facial cutaneous cell carcinoma (cSCC).Patients with clinically negative parotid and neck metastasis disease were prospectively enrolled. Three groups were divided based on whether the patient received an operation of superficial parotidectomy or/and elective dissection, and regional control and disease-specific survival rates were compared.The occult parotid and neck metastasis rate was 20% and 16%, respectively...
June 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29851778/cutaneous-and-systematic-metastasis-of-testicular-choriocarcinoma-case-report-and-literature-review
#16
Fu Weijin, Zeng Jinjin, Cheng Jiwen
RATIONALE: Cutaneous metastasis of testicular choriocarcinoma is exceptionally uncommon. To our knowledge, only 14 cases have been reported in the past 10 years in the pubmed. We have an uncommon case of testicular choriocarcinoma who has metastasized to the adjacent skin and organ systems. PATIENT CONCERNS: An 18-year-old male was diagnosed with initial presentation of cutaneous mass at the left back. Followly,biopsy was performed under local anesthesia.Histopathological examination was consistent with the diagnosis of metastatic choriocarcinoma...
June 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29848531/endometrial-metastasis-of-primary-malignant-melanoma-of-the-brain
#17
Jessica Little, Kathleen Braniff
Endometrial metastatic malignant melanoma is a rare occurrence from any primary site. A literature search has revealed only 15 reported cases in existing literature, majority of which originated from a primary cutaneous lesion. This is a case of endometrial metastasis of primary malignant melanoma of the brain, the first reported case of its kind. The rarity of endometrial metastatic melanoma may incline clinicians to neglect the importance of malignant melanoma in a patient's history when they present with abnormal uterine bleeding...
May 30, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29803777/a-5-year-follow-up-study-of-633-cutaneous-scc-excisions-rates-of-local-recurrence-and-lymph-node-metastasis
#18
K Khan, R Mykula, R Kerstein, N Rabey, T Bragg, A Crick, S Heppell, P Budny, M Potter
BACKGROUND: A 5-year follow-up study of 633 cutaneous squamous cell cancer (SCC) excisions was performed by collecting data on rates of local recurrence (LR) and lymph node (LN) metastasis. METHODS: A retrospective analysis of patients was performed across four regional plastic surgery centres (Stoke Mandeville Hospital, Aylesbury; John Radcliffe Hospital, Oxford; Salisbury District Hospital, Salisbury and Queen Alexandra Hospital, Portsmouth) assessing rates of LR and LN metastasis...
May 2, 2018: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/29803536/sentinel-lymph-node-biopsy-in-cutaneous-melanoma-of-the-head-and-neck-using-the-indocyanine-green-spy-elite-system
#19
Andrew M Vahabzadeh-Hagh, Keith E Blackwell, Elliot Abemayor, Maie A St John
PURPOSE: Lymph node status is the single most important prognostic factor for patients with early-stage cutaneous melanoma. Sentinel lymph node biopsy (SLNB) has become the standard of care for intermediate depth melanomas. Modern SLNB implementation includes technetium-99 lymphoscintigraphy combined with local administration of a vital blue dye. However, sentinel lymph nodes may fail to localize in some cases and false-negative rates range from 0 to 34%. Here we demonstrate the feasibility of a new sentinel lymph node biopsy technique using indocyanine green (ICG) and the SPY Elite near-infrared imaging system...
May 17, 2018: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/29802864/proteomic-analysis-of-tn-bearing-glycoproteins-from-different-stages-of-melanoma-cells-reveals-new-biomarkers
#20
Dorota Hoja-Łukowicz, Sabina Szwed, Piotr Laidler, Anna Lityńska
Cutaneous melanoma, the most aggressive form of skin cancer, responds poorly to conventional therapy. The appearance of Tn antigen-modified proteins in cancer is correlated with metastasis and poor prognoses. The Tn determinant has been recognized as a powerful diagnostic and therapeutic target, and as an object for the development of anti-tumor vaccine strategies. This study was designed to identify Tn-carrying proteins and reveal their influence on cutaneous melanoma progression. We used a lectin-based strategy to purify Tn antigen-enriched cellular glycoproteome, the LC-MS/MS method to identify isolated glycoproteins, and the DAVID bioinformatics tool to classify the identified proteins...
May 23, 2018: Biochimie
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