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https://www.readbyqxmd.com/read/27907906/senescent-fibroblast-derived-chemerin-promotes-squamous-cell-carcinoma-migration
#1
Vida Farsam, Abhijit Basu, Martina Gatzka, Nicolai Treiber, Lars A Schneider, Medhanie A Mulaw, Tanja Lucas, Stefan Kochanek, Reinhard Dummer, Mitchell P Levesque, Meinhard Wlaschek, Karin Scharffetter-Kochanek
Aging is associated with a rising incidence of cutaneous squamous cell carcinoma (cSCC), an aggressive skin cancer with the potential for local invasion and metastasis. Acquisition of a senescence-associated secretory phenotype (SASP) in dermal fibroblasts has been postulated to promote skin cancer progression in elderly individuals. The underlying molecular mechanisms are largely unexplored. We show that Chemerin, a previously unreported SASP factor released from senescent human dermal fibroblasts, promotes cSCC cell migration, a key feature driving tumor progression...
November 18, 2016: Oncotarget
https://www.readbyqxmd.com/read/27906449/differential-mutation-frequencies-in-metastatic-cutaneous-squamous-cell-carcinomas-versus-primary-tumors
#2
Ayse Selen Yilmaz, Hatice Gulcin Ozer, Jessica L Gillespie, Dawn C Allain, Madison N Bernhardt, Karina Colossi Furlan, Leticia T F Castro, Sara B Peters, Priyadharsini Nagarajan, Stephen Y Kang, O Hans Iwenofu, Thomas Olencki, Theodoros N Teknos, Amanda Ewart Toland
BACKGROUND: Exome and targeted sequencing studies have identified potential driver mutations for a variety of tumor types. Cutaneous squamous cell carcinoma (cSCC) is one of the most highly mutated cancers but typically is associated with low rates of metastasis and high survival rates. Nevertheless, metastatic cSCC is a significant health threat; up to 8800 individuals die each year of this disease. METHODS: Because it is difficult to predict which cSCCs are more likely to metastasize, and because to the best of the authors' knowledge there are no targeted therapies specifically designated for patients with metastatic cSCC, exome and/or targeted sequencing of 18 metastatic and 10 primary cSCCs was performed to identify mutations that were more frequent in metastatic tumors and might be targeted for therapeutic benefit...
December 1, 2016: Cancer
https://www.readbyqxmd.com/read/27898475/pulmonary-signet-ring-cell-adenocarcinoma-metastatic-to-the-skin
#3
Alan S Boyd
Internal malignancies occasionally metastasize to the skin, usually imparting a poor prognosis. In men, pulmonary malignancies are the second most common offending tumor. Roughly, half such lesions are adenocarcinomas. A small subset of pulmonary adenocarcinomas exhibits signet-ring morphology. To date, a cutaneous metastasis arising from a pulmonary signet-ring cell adenocarcinoma has not been reported.
November 23, 2016: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/27896185/the-relationship-between-the-size-and-the-invasion-depth-of-tumors-in-head-and-neck-cutaneous-squamous-cell-carcinoma
#4
Sam Yong Lee, Won Joo Hwang, Kyung Pil Kim, Hong Min Kim, Jae Ha Hwang, Kwang Seog Kim
BACKGROUND: Cutaneous squamous cell carcinoma (SCC), which occurs in keratinocytes of the epidermis and is the second most common skin cancer, has a more invasive growth pattern and higher potential to metastasize than basal cell carcinoma. Total excision of the primary tumor is the treatment of choice. For clear excision of the tumor, invasion depth is one of the most important factors. This study was conducted to clarify the relationship between the size and the invasion depth of cutaneous SCC...
November 2016: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/27895862/cutaneous-angiosarcoma-metastatic-to-small-bowel-with-nodal-involvement
#5
Vidya A Fleetwood, Jamie C Harris, Minh B Luu
A 77-year-old male with a history of metastatic scalp angiosarcoma presented with intractable gastrointestinal bleeding from a jejunal mass detected on capsule endoscopy. He underwent laparoscopic-assisted resection of the mass. Intraoperatively, an isolated small bowel mass with bulky lymphadenopathy was seen and resected en bloc. Pathology showed a 6.8cm high-grade metastatic angiosarcoma with nodal involvement and negative margins. Angiosarcoma is a sarcoma with a grim prognosis. The incidence is 2% of all soft tissue sarcomas; cutaneous lesions comprise 27% of manifestations and usually appear on head and neck...
2016: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/27890406/cutaneous-histiocytic-sarcoma-with-regional-lymph-node-metastasis-in-a-netherland-dwarf-rabbit-oryctolagus-cuniculus
#6
M R Karim, T Izawa, M Pervin, H Sasai, M Kuwamura, J Yamate
A 10-year-old male Netherland dwarf rabbit (Oryctolagus cuniculus) was presented with a red nodular mass (1 cm in diameter) with ulceration and hair loss in the skin of the left upper lip. Cytological examination revealed atypical round cells. The mass was excised surgically. Histologically, the mass was composed of large round to polyhedral neoplastic cells with marked cytological atypia. The neoplastic cells were often binucleated or multinucleated. Immunohistochemically, the neoplastic cells were intensely positive for Iba1 and vimentin, but fewer neoplastic cells expressed E-cadherin...
November 24, 2016: Journal of Comparative Pathology
https://www.readbyqxmd.com/read/27890239/interleukin-22-and-cyclosporine-in-aggressive-cutaneous-squamous-cell-carcinoma
#7
REVIEW
Alexis L Santana, Diane Felsen, John A Carucci
Cutaneous squamous cell carcinomas (SCCs) account for up to 10,000 deaths annually in the United States. Most of the more than 700,000 SCCs diagnosed are cured by excision with clear margins; however, metastasis can occur despite seemingly adequate treatment in some cases. Immune-suppressed organ transplant recipients are 60 to 100 times more likely to develop SCC than immune-competent individuals. Transplant-associated SCCs occur more frequently and behave more aggressively, showing higher risk of recurrence and metastasis...
January 2017: Dermatologic Clinics
https://www.readbyqxmd.com/read/27889686/microrna-181-contributes-to-downregulation-of-samhd1-expression-in-cd4-t-cells-derived-from-s%C3%A3-zary-syndrome-patients
#8
Rebecca Kohnken, Karthik M Kodigepalli, Anjali Mishra, Pierluigi Porcu, Li Wu
Sézary syndrome (SS) is a rare subtype of cutaneous T-cell lymphoma (CTCL) that is characterized by aggressive spread of neoplastic CD4+ T-cells from the skin into the bloodstream with metastasis to visceral organs. The deoxynucleoside triphosphohydrolase SAMHD1 is highly expressed in normal CD4+ T-cells, while its expression is down-regulated in CD4+ T-cells from SS patients. MicroRNA (miR) dysregulation is an important epigenetic mechanism in the pathogenesis and progression of SS. MiR-181 has been shown to inhibit SAMHD1 expression in cell lines and was identified as an important prognostic biomarker in CTCL...
November 17, 2016: Leukemia Research
https://www.readbyqxmd.com/read/27882625/review-of-high-risk-features-of-cutaneous-squamous-cell-carcinoma-and-discrepancies-between-the-american-joint-committee-on-cancer-and-nccn-clinical-practice-guidelines-in-oncology
#9
REVIEW
Samuel Lamarre Skulsky, Barry O'Sullivan, Orla McArdle, Mary Leader, Muireann Roche, Peter J Conlon, James Paul O'Neill
Cutaneous squamous cell carcinoma (SCC) is a malignancy that arises from epidermal keratinocytes. Although the majority of cutaneous SCC cases are easily treated without further complication, some behave more aggressively and carry a poor prognosis. These "high-risk" cutaneous SCCs commonly originate in the head and neck and have an increased tendency toward recurrence, local invasion, and distant metastasis. Factors for high-risk cutaneous SCC include large size (>2 cm), a deeply invasive lesion (>2 mm), incomplete excision, high-grade/desmoplastic lesions, perineural invasion (PNI), lymphovascular invasion, immunosuppression, and high-risk anatomic locations...
November 24, 2016: Head & Neck
https://www.readbyqxmd.com/read/27879093/prognostic-value-of-the-area-and-density-of-lymphatic-vessels-in-cutaneous-squamous-cell-carcinoma
#10
Jorien Tannette Krediet, Jean Kanitakis, Adrienne Bob, Julia Schmitter, Annelot Carine Krediet, Joachim Röwert, Eggert Stockfleth, Clemens Painsi, Rainer Hügel, Dorothea Terhorst, Bernhard Lange-Asschenfeldt
BACKGROUND AND OBJECTIVES: Cutaneous squamous cell carcinoma (SCC) is known for its capacity to metastasize via lymphatic vessels. In recent studies, the level of lymphangiogenesis has been reported as a potential prognostic factor for several skin tumors. The aim of this study was to quantify lymphangiogenesis in SCC using either computer-assisted image analysis or the Chalkley count technique. Vascular parameters were evaluated and compared with respect to their predictive power for tumor metastasis...
November 2016: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
https://www.readbyqxmd.com/read/27875814/characterisation-of-prognosis-and-invasion-of-cutaneous-squamous-cell-carcinoma-by-podoplanin-and-e-cadherin-expression
#11
Kristina Hesse, Imke Satzger, Vivien Schacht, Brigitta Köther, Uwe Hillen, Joachim Klode, Katrin Schaper, Ralf Gutzmer
BACKGROUND: Around 5% of all cutaneous squamous cell carcinoma (cSCC) metastasise. Metastases usually locate in regional skin and lymph nodes, suggesting collective cancer invasion. The cellular level of tumour invasion and prognostic parameters remain to be characterised. METHODS: We performed immunohistochemical analyses of E-cadherin (marker for collective cancer invasion) and podoplanin (marker for epithelial-mesenchymal transition [EMT], single-cell invasion) expression in 102 samples of metastatic and non-metastatic cSCC and 18 corresponding skin and lymph node metastases to characterise the invasion of cSCC...
November 23, 2016: Dermatology: International Journal for Clinical and Investigative Dermatology
https://www.readbyqxmd.com/read/27843279/unusual-presentation-of-ulcerative-postauricular-swelling-as-sebaceous-cell-carcinoma
#12
Prem Chand, Ashok Kumar, Paramjit Singh, Lakshay Singla
Sebaceous glands have high concentration over head and neck region. Despite high concentration, sebaceous cell adenoma and carcinomas are infrequent. Sebaceous cell carcinoma is an uncommon, cutaneous aggressive tumor arising from the sebaceous glands and seen almost exclusively on the eyelids (75%). It accounts for just 0.2-0.7% of all eyelid tumors in the USA and very few cases that have originated in areas other than the eyelids have been reported. A 67-year-old male presented with swelling (3 cm × 4 cm), on the right postauricular region, since about 1-month...
July 2016: Nigerian Journal of Surgery: Official Publication of the Nigerian Surgical Research Society
https://www.readbyqxmd.com/read/27833315/zosteriform-cutaneous-metastases-from-an-occult-primary-malignancy-of-lung-identified-by-whole-body-fdg-petct-imaging
#13
Padma Subramanyam, Shanmuga Sundaram Palaniswamy, Anshu Tewari
Cutaneous metastasis may be the first evidence of internal malignancy or a sign of recurrence of malignancy and is considered a grave prognostic sign. There are various morphological variants of cutaneous metastases, with the most common being solitary to multiple erythematous infiltrating papules and nodules and the rarer variants being carcinoma erysipeloides, carcinoma en cuirasse, carcinoma telangiectaticum, alopecia neoplastica, metastasis to the inframammary crease, and zosteriform pattern. FDG PETCT is an established imaging modality in the identification of an unknown primary malignancy and also has an important role in the therapeutic decision-making...
October 2016: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/27792831/prognostic-factors-in-metastatic-cutaneous-squamous-cell-carcinoma-of-the-head-and-neck
#14
Gideon Bachar, Aviram Mizrachi, Naomi Rabinovics, Dan Guttman, Thomas Shpitzer, Dean Ad-El, Tuvia Hadar
Metastatic cutaneous squamous cell carcinoma (SCC) of the head and neck poses a significant therapeutic challenge due to its aggressive biologic behavior. We conducted a retrospective study of 71 patients-58 men and 13 women, aged 28 to 88 years (mean: 71)-who had been treated at our university-affiliated tertiary care medical center for metastatic cutaneous SCC over a 15-year period. In addition to demographic data, we compiled and analyzed information on tumor characteristics, the site and extent of metastasis, treatment, follow-up, and outcome...
October 2016: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/27790452/cutaneous-metastasis-from-cholangiocarcinoma-presenting-as-thigh-mass
#15
Kachnar Varma, Anshu Singh, Vatsala Misra
Skin is an uncommon site for metastasis with only 0.7-9% of all patients with cancer being affected when compared to other organs. Generally, the time lag between the diagnosis of primary malignancy and the recognition of the skin metastases is long, but sometimes these metastases may be the first indication of otherwise clinically silent visceral malignancies as seen in our case. In cholangiocarcinomas, the occurrence of cutaneous metastases is extremely rare. Their most common sites of metastasis are visceral organs i...
September 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27786150/do-demographics-and-tumour-related-factors-affect-nodal-yield-at-neck-dissection-a-retrospective-cohort-study
#16
R S Lim, L Evans, A P George, N de Alwis, P Stimpson, S Merriel, C E B Giddings, B Billah, J A Smith, A Safdar, E Sigston
BACKGROUND: Nodal metastasis is an important prognostic factor in head and neck squamous cell carcinoma. This study aimed to determine the average nodal basin yield per level of neck dissection, and to investigate if age, gender, body mass index, tumour size, depth of tumour invasion and p16 status influence nodal yield. METHOD: A retrospective review of 185 patients with head and neck squamous cell carcinoma generated 240 neck dissection specimens. RESULTS: The respective mean nodal yields for levels I, II, III, IV and V were 5...
October 27, 2016: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/27780948/non-umbilical-cutaneous-metastasis-of-pancreatic-adenocarcinoma-as-the-first-clinical-manifestation-a-case-report
#17
Ji In Moon, Ji Young Park, Tae Joo Jeon, Jung Min Choi, Won Chang Shin, June Min Sung, Young Moon Kim, Hyun Jung Kim
Non-umbilical cutaneous metastases from pancreatic adenocarcinomas are extremely rare. Only a few cases have been reported in the literature. An 83-year-old Korean woman, with no previous medical history, presented with a painful nodule on her scalp. Histologic examination of the nodule revealed a metastatic adenocarcinoma, and immunohistochemical staining was positive for cytokeratin (CK) 7 and CK 19. These findings were consistent with a metastatic carcinoma of pancreatic origin. An abdominal computed tomography scan identified a mass on the pancreatic head and multiple enlarged lymph nodes...
October 25, 2016: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/27773160/a-case-of-cutaneous-metastasis-of-the-scalp-from-colorectal-adenocarcinoma
#18
Michael Tran, Vivienne Lea, Karen Briscoe
No abstract text is available yet for this article.
February 2016: Pathology
https://www.readbyqxmd.com/read/27766674/cutaneous-metastasis-of-inflammatory-breast-carcinoma-mimicking-an-erythema-annulare-centrifugum-a-sign-of-locally-recurrent-cancer
#19
V Sabater, F Ferrando, A Morera, L Palomar
Erythema annulare centrifugum (EAC) is a clinical reaction pattern that includes lupus erythematosus, spongiotic dermatitis (particularly pityriasis rosea), pseudolymphoma and cutaneous B-cell lymphoma. However, it can be the result of cutaneous metastasis by an internal carcinoma. We present the case of a 38-year-old woman with bilateral inflammatory breast cancer following multimodal therapy. After chemotherapy, the patient developed EAC on her back, clinically suspect of subacute cutaneous lupus erythematosus...
October 20, 2016: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/27765804/cerebral-metastases-from-merkel-cell-carcinoma-long-term-survival
#20
S Honeybul
Merkel cell carcinoma is a rare primary cutaneous neuroendocrine tumour that is locally aggressive. In most cases the primary treatment is local surgical excision; however, there is a high incidence recurrence both local and distant. Cerebral metastases from Merkel cell carcinoma are extremely uncommon with only 12 cases published in the literature. This case is particularly unusual in that, not only was no established primary lesion identified, but also the patient has survived for 10 years following initial diagnosis and for 9 years following excision of a single brain metastasis...
October 7, 2016: Journal of Surgical Case Reports
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