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https://www.readbyqxmd.com/read/28635133/critical-role-of-glioma-associated-oncogene-homolog-1-in-maintaining-invasive-and-mesenchymal-like-properties-of-melanoma-cells
#1
I Ketut Gunarta, Rong Li, Ryota Nakazato, Ryusuke Suzuki, Jambaldorj Boldbaatar, Takeshi Suzuki, Katsuji Yoshioka
Cutaneous melanoma is the most aggressive form of skin cancer. This aggressiveness appears to be due to the cancer cells' ability to reversibly switch between phenotypes with non-invasive and invasive potentials, and microphthalmia-associated transcription factor (MITF) is known to play a central role in this process. The transcription factor glioma-associated oncogene homolog 1 (GLI1) is a component of the canonical and noncanonical sonic hedgehog pathways. Although GLI1 has been suggested to be involved in melanoma progression, its precise role and the mechanism underlying invasion remain unclear...
June 21, 2017: Cancer Science
https://www.readbyqxmd.com/read/28633745/carcinoma-hemorrhagiectoides-case-report-of-an-uncommon-presentation-of-cutaneous-metastatic-breast-carcinoma
#2
Roberto Cullen Aravena, Daniella Cullen Aravena, Margarita Jo Velasco, Alejandra Queirolo González, Luis Requena
In most cases, cutaneous metastases develop after the diagnosis of the primary internal malignancy has been established, but sometimes they can be discovered earlier or simultaneously. We describe a case of a 90-year-old woman who presented to the emergency room in poor general condition, with cutaneous lesions characterized by hot, infiltrated, violaceous and erythematous plaques involving the left chest wall. The clinical and histopathological findings were consistent with the recently described variant of inflammatory cutaneous metastatic carcinoma named carcinoma hemorrhagiectoides...
June 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28632813/cutaneous-metastasis-of-a-pulmonary-carcinoid-tumor
#3
Leyre Falto-Aizpurua, Sarah Seyfer, Bhuvaneswari Krishnan, Ida Orengo
Carcinoid tumors are uncommon neoplasms of neuroendocrine origin that generally arise in the gastrointestinal or bronchopulmonary tracts and typically are characterized by an indolent clinical course. Metastases from these primary neoplasms more commonly affect the viscera, with rare reports of cutaneous metastases to the skin. We report the case of a patient with a cutaneous carcinoid metastasis that was incidentally brought to our attention because of the exquisite tenderness of the lesion. A brief review of the literature also is provided...
May 2017: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/28632698/primary-cutaneous-angiosarcoma-mimicking-metastasis-on-18f-fdg-pet-ct-in-woman-with-cervix-cancer
#4
Jae Pil Hwang
Primary cutaneous angiosarcoma is a rare vascular tumor usually affecting the whole body, and its hypermetabolic features on F-FDG PET/CT may be confused with those of infection, metastasis, or primary malignancy. This is a case report of a cutaneous angiosarcoma of the lower anterior abdomen showing increased FDG uptake on F-FDG PET/CT mimicking a cutaneous metastasis in an 84-year-old woman with cervical cancer.
June 19, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28620382/phase-ii-study-of-adjuvant-immunotherapy-with-the-csf-470-vaccine-plus-bacillus-calmette-guerin-plus-recombinant-human-granulocyte-macrophage-colony-stimulating-factor-vs-medium-dose-interferon-alpha-2b-in-stages-iib-iic-and-iii-cutaneous-melanoma-patients
#5
José Mordoh, María Betina Pampena, Mariana Aris, Paula Alejandra Blanco, Mónica Lombardo, Erika María von Euw, Soledad Mac Keon, Michelle Yépez Crow, Alicia Inés Bravo, Juan Manuel O'Connor, Ana Gabriela Orlando, Franco Ramello, Estrella Mariel Levy, María Marcela Barrio
The irradiated, allogeneic, cellular CSF-470 vaccine plus Bacillus Calmette-Guerin (BCG) and recombinant human granulocyte macrophage-colony stimulating factor (rhGM-CSF) is being tested against medium-dose IFN-α2b in stages IIB-III cutaneous melanoma (CM) patients (pts) after surgery in an open, randomized, Phase II/III study. We present the results of the Phase II part of the ongoing CASVAC-0401 study (ClinicalTrials.gov: NCT01729663). Thirty-one pts were randomized to the CSF-470 vaccine (n = 20) or to the IFN-α2b arm (n = 11)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28616154/cutaneous-presentation-of-gastrointestinal-adenocarcinoma
#6
Aditi Halder, Artiene Tatian, A Cristina Vargas, Rooshdiya Karim, Mark Latt
Seeding of a central nervous system malignancy to the abdominal cavity is an uncommon but well documented complication of a ventriculoperitoneal (VP) shunt. However, the metastasis of a primary gastrointestinal cancer to the skin via a VP shunt is extremely rare. We report the clinical case of an 85-year-old male who presented with a right upper quadrant nodule over his shunt, which on histopathology and tumour marker profile was diagnosed as an adenocarcinoma of likely upper gastrointestinal origin. This case illustrates the importance of proceeding to biopsy to inform prognosis and management, despite the risks of shunt infection...
June 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28611627/panniculitis-associated-with-mek-inhibitor-therapy-an-uncommon-adverse-effect
#7
Miruna Negulescu, Florian Deilhes, Vincent Sibaud, Emilie Tournier, Laurence Lamant, Serge Boulinguez, Nicolas Meyer
The combination of MEK inhibitor (cobimetinib, trametinib) and BRAF inhibitor (vemurafenib, dabrafenib) is now the first-line treatment in patients with BRAF V600-mutated metastatic melanoma. This association reduces cutaneous adverse events induced by BRAF inhibitors alone, including photosensitivity, hand-foot syndrome, hyperkeratosis, alopecia, skin papillomas, keratoacanthomas, and squamous-cell carcinomas. While panniculitis has exceptionally been reported with BRAF inhibitors, this rare side effect has never been described with the use of MEK inhibitors...
January 2017: Case Reports in Dermatology
https://www.readbyqxmd.com/read/28607807/immunohistochemical-evaluation-of-vitamin-d-receptor-vdr-expression-in-cutaneous-melanoma-tissues-and-four-vdr-gene-polymorphisms
#8
Francesco La Marra, Giuseppe Stinco, Cinzia Buligan, Giovanni Chiriacò, Diego Serraino, Carla Di Loreto, Sabina Cauci
OBJECTIVE: : Vitamin D receptor (VDR) mediates vitamin D activity. We examined whether VDR expression in excised melanoma tissues is associated with VDR gene (VDR) polymorphisms. METHODS: : We evaluated VDR protein expression (by monoclonal antibody immunostaining), melanoma characteristics, and carriage of VDR-FokI-rs2228570 (C>T),VDR-BsmI-rs1544410 (G>A),VDR-ApaI-rs7975232 (T>G), andVDR-TaqI-rs731236 (T>C) polymorphisms (by restriction fragment length polymorphism)...
May 2017: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/28607685/concurrent-braf-and-pten-mutations-in-melanoma-of-unknown-origin-presenting-as-a-breast-mass
#9
Emmanuel Agosto-Arroyo, Marilin Rosa, Alec Chau, Laila Khazai
BACKGROUND: Metastases represent a small percentage of the malignancies affecting the breast, and only 5% of melanomas originate from non-cutaneous sites. Multiple genetic aberrations have been associated with the development of melanocytic lesions, including BRAF V600E mutation. Mutations in PTEN gene have also been related to the pathogenesis of multiple malignancies. PURPOSE/METHOD: This is the case of a 28-year-old female who presented with a tender, palpable mass in the upper outer quadrant of the right breast...
2017: SAGE open medical case reports
https://www.readbyqxmd.com/read/28582297/loco-regional-control-with-complete-resection-and-tongue-reconstruction-on-the-malignant-melanoma-in-the-tongue
#10
Tuqa Alkaff, Woo Shik Jeong, Soon Yuhl Nam, Jong Woo Choi
Primary malignant melanoma in the tongue is very uncommon disease that is considered low in comparison to cutaneous melanoma. In this report, the authors described a case of the hemitongue reconstruction with fasciocutaneous free flap on the patient who suffered from the malignant melanoma primarily originating from the base of the tongue that was treated with surgery and radiotherapy but developed a lung metastasis. A 76-year-old man was referred to the otorhinolaryngology clinic after complaining of a painful mass present for 3 months on the right side of the tongue...
June 2, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28578604/does-palliative-chemotherapy-provide-a-palliative-effect-on-symptoms-in-late-palliative-stages-an-interview-study-with-oncologists
#11
Peter Strang, Jenny Bergqvist
BACKGROUND: The possible chemotherapy effects on symptoms in late stages of palliative chemotherapy are seldom registered in clinical practice or investigated as primary outcomes. The aim was therefore to study physicians' opinions and experiences about chemotherapy effects on symptoms. MATERIAL AND METHODS: Thirty-five physicians (mainly oncologists) with variation as regards age, gender and experience were included in a qualitative study with semi-structured interviews...
June 3, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28573764/cutaneous-squamous-cell-carcinoma-of-the-lip-a-population-based-analysis
#12
Aykut A Unsal, Aylin B Unsal, Tara E Henn, Soly Baredes, Jean Anderson Eloy
OBJECTIVES/HYPOTHESIS: The role of cumulative ultraviolet (UV) radiation in cutaneous squamous cell carcinoma of the lip (CSCCL) is well understood. This study seeks to evaluate overall survival as well as incidence and demographics across geographic regions, given differences in UV exposure across the United States. STUDY DESIGN: Retrospective population-based analysis. METHODS: A total of 14,901 CSCCL cases were identified as being from the West, Midwest, South, or Northeast, utilizing the Surveillance, Epidemiology, and End Results registry from 1973 to 2013...
June 2, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28570390/lymph-node-metastasis-with-both-components-of-combined-cutaneous-squamous-cell-carcinoma-merkel-cell-neuroendocrine-carcinoma
#13
Jorge Navarrete, Natalia Gugelmeier, María Eugenia Mazzei, Sergio González, Juan J Barcia, Julio Magliano
No abstract text is available yet for this article.
May 22, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28555886/lymphatic-invasion-predicts-sentinel-lymph-node-metastasis-and-adverse-outcome-in-primary-cutaneous-melanoma
#14
Andrea P Moy, Mark C Mochel, Alona Muzikansky, Lyn M Duncan, Stefan Kraft
BACKGROUND: Sentinel lymph node (SLN) metastasis is a powerful predictor of survival in primary cutaneous melanoma. Lymphatic invasion (LI) may correlate with increased risk of SLN metastasis. Intralymphatic metastases, often difficult to detect on hematoxylin and eosin (H&E) stained sections, are readily identified with dual immunohistochemistry for melanocytic and lymphatic markers. METHODS: We used dual S100/D240 immunohistochemistry to detect LI in 125 melanomas from patients who underwent SLN biopsy and correlated LI with melanoma staging parameters and disease status...
May 29, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28549035/expression-of-ki-67-and-estrogen-receptor-beta-in-primary-cutaneous-melanoma-as-a-potential-indicator-of-regional-lymph-node-positivity
#15
Dalma Udovicic-Gagula, Amina Ahmovic, Nurija Bilalovic, Mirsad Doric
In the early stages of cutaneous malignant melanoma (MM), it is extremely difficult to predict adequately the risk from hematogenic and lymphatic metastasis. We investigate whether the immunohistochemical expression of Ki-67 and estrogen receptor beta (ERβ) in cells of MM could predict the status of regional lymph nodes. A total of 55 tissue samples of primary cutaneous melanomas with known status of regional lymph nodes were retrospectively evaluated for Ki-67 and ERβ expression by quantitative immunohistochemistry and then correlated with the status of regional lymph nodes and relevant clinicopathologic parameters...
May 25, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28539983/-clown-nose-as-first-manifestation-of-squamous-cell-carcinoma-of-the-lung
#16
Joaquim Marcoval, Laura Martínez-Molina, Montserrat Bonfill-Ortí, Francesc Valentí-Medina
BACKGROUND: Skin metastases occur in 0.7% to 9% of all patients with cancer and are usually considered a late event in the evolution of most visceral carcinomas. The development of a nodular metastatic lesion on the nasal tip is known as clown nose sign. MAIN OBSERVATION: We report a 64-year-old man that developed a nodular lesion on his nasal tip as first manifestation of squamous lung carcinoma. CONCLUSION: The biopsy of the cutaneous metastasis may be helpful to histopathologically confirm the suspected primary tumour avoiding invasive diagnostic procedures...
March 31, 2017: Journal of Dermatological Case Reports
https://www.readbyqxmd.com/read/28538900/study-of-448-cases-of-melanoma-in-situ-in-two-hospitals-in-rio-de-janeiro
#17
Luciana Pantaleão, Mayra Carrijo Rochael
The diagnosis of cutaneous melanoma in situ, considered to have excellent prognosis, has been increasingly frequent, with rare isolated reports of cutaneous melanoma in situ presenting recurrence, metastasis, and death. No specific study is found in the literature about these lesions of unexpected behavior. We describe the demographic and histopathological findings of 448 cases of cutaneous melanoma in situ in 369 patients, emphasizing the prognostic criteria of those with unfavorable outcomes, corresponding to 9 cases in which regression had no significant role...
March 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28538886/cutaneous-angiosarcoma-report-of-three-different-and-typical-cases-admitted-in-a-unique-dermatology-clinic
#18
Aline Neves Freitas Cabral, Rafael Henrique Rocha, Ana Cristina Vervloet do Amaral, Karina Bittencourt Medeiros, Paulo Sérgio Emerich Nogueira, Lucia Martins Diniz
Angiosarcoma is a rare and aggressive tumor with high rates of metastasis and relapse. It shows a particular predilection for the skin and superficial soft tissues. We report three distinct and typical cases of angiosarcoma that were diagnosed in a single dermatology clinic over the course of less than a year: i) Angiosarcoma in lower limb affected by chronic lymphedema, featuring Stewart-Treves syndrome; ii) a case of the most common type of angiosarcoma loated in the scalp and face of elderly man and; iii) a skin Angiosarcoma in previously irradiated breast...
March 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28536111/surgery-in-late-melanoma-adrenal-metastasis
#19
Marcello Di Martino, Iñigo García Sanz, Ismael Mora-Guzmán, Ángela de la Hoz Rodríguez
Metastatic melanoma to adrenal gland are very infrequent, being generally associated with additional evidence of systemic disease and, consequently, with short-term survival. However, the prognosis and the therapeutic management vary depending on some important oncological features. Long-term survival rates have been described after complete resection of metastatic disease. Here, we report the case of a woman aged 41 years diagnosed with a cutaneous melanoma on the right side of her paravertebral region, level III of Clark, in 2002, who underwent surgical excision of the tumour with negative margins and a negative sentinel node...
May 22, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28535001/standardization-of-a375-human-melanoma-models-on-chicken-embryo-chorioallantoic-membrane-and-balb-c-nude-mice
#20
Stefana Avram, Dorina-Elena Coricovac, Ioana Zinuca Pavel, Iulia Pinzaru, Roxana Ghiulai, Flavia Baderca, Codruta Soica, Danina Muntean, Daciana E Branisteanu, Demetrios A Spandidos, Aristides M Tsatsakis, Cristina Adriana Dehelean
Cutaneous melanoma is a metastatic disease characterized by high resistance to treatment, the incidence of which has alarmingly increased worldwide over the past years. A thorough characterization of tumor onset, progression and metastasis is compulsory to overcome the gaps existent in melanoma biology. The present study suggests a well‑established protocol and a detailed histological description of human melanoma models in ovo and in vivo obtained by the inoculation of A375 cells to chick embryo chorioallantoic membrane (CAM) and Balb/c nude mice...
May 22, 2017: Oncology Reports
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