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Dermatofibrosarcoma

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https://www.readbyqxmd.com/read/27895450/dermatofibrosarcoma-protuberans-a-case-report-and-review-of-the-literature
#1
D Paramythiotis, G Stavrou, D Panagiotou, G Petrakis, A Michalopoulos
BACKGROUND: Dermatofibrosarcoma protuberans (DFSP) represents less than 0.1% of all tumors, but it is considered the most common skin sarcoma. Wide local excision (=5 cm) has been largely replaced by Mohs micrographic surgery; however, recurrence is not rare. Description of the case: A 35-year-old man presented with a large tumor on the upper side of his back and underwent local excision with the possible preoperative diagnosis of lipoma. Upon histological examination, the diagnosis of DFSP was made, and the patient underwent wide local excision with skin flap reconstruction and was referred for adjuvant radiotherapy...
January 2016: Hippokratia
https://www.readbyqxmd.com/read/27879515/atypical-spindle-cell-lipomatous-tumor-clinicopathologic-characterization-of-232-cases-demonstrating-a-morphologic-spectrum
#2
Adrian Mariño-Enriquez, Alessandra F Nascimento, Azra H Ligon, Cherwei Liang, Christopher D M Fletcher
The classification of atypical adipocytic neoplasms with spindle cell features remains challenging. To better define this category of low-grade lipomatous neoplasms, we present herein the clinical, histologic, and immunohistochemical characteristics of a large series of 232 atypical spindle cell lipomatous tumors. The lesions affected 140 males and 92 females, at an average age of 54 years (range, 6 to 87 y), clinically presenting as a persistent or enlarging mass with a median size of 5 cm. The anatomic distribution of the tumors was wide, predominating in the limbs and limb girdles (147 cases, 63%), mainly in the hands and feet (17% and 11%, respectively), with equal distribution between subcutaneous and deeper locations...
November 22, 2016: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27806849/dermatofibrosarcoma-protuberans-pathology-genetics-and-potential-therapeutic-strategies
#3
Khin Thway, Jonathan Noujaim, Robin L Jones, Cyril Fisher
Dermatofibrosarcoma protuberans (DFSP), the most common dermal sarcoma, is a malignant fibroblastic tumor most frequently arising in middle-aged adults. It is typically a low-grade sarcoma that grows slowly but has a high rate of local recurrence with low metastatic potential. Dermatofibrosarcoma protuberans is characterized by a specific translocation t(17;22)(q22;q13) leading to the formation of COL1A1-PDGFB fusion transcripts. Histologically, DFSP has characteristic morphology, of storiform islands of bland spindle cells, and immunohistochemically, it shows diffuse expression of CD34...
December 2016: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/27799980/a-tete-a-tete-of-benign-borderline-and-malignant-fibrohistiocytic-tumor
#4
Rashmi M V, Pavithra P, Shivakumarappa G M
Dermatofibrosarcoma protruberans is a relatively uncommon slow growing, locally aggressive fibrous tumor of the skin. It has a prospensity of progressing to fibrosarcomatous change in 5% of the cases. We present a case of a 56 yr old male with presented to the outpatient department of surgery, Sri Siddhartha Medical College, Tumkur with a chest swelling in 2013. FNAC was inconclusive and the mass was excised. On histopathology, areas of benign fibrohistiocytic tumor, dermatofibrosarcoma protruberans and fibrosarcomatous dermatofibrosarcoma were identified in the same tumor...
2016: Iranian Journal of Pathology
https://www.readbyqxmd.com/read/27753236/dermatofibrosarcoma-protuberans-a-comprehensive-review-on-the-spectrum-of-clinico-radiological-presentations
#5
Tony Ht Sung, Annie Cw Tam, Jennifer Ls Khoo
Dermatofibrosarcoma Protuberans (DFSP) is a rare malignant soft-tissue neoplasm which is often misdiagnosed due to its indolent clinical course and non-specific radiological appearances. An observation case series was conducted with retrospective review of clinical and radiological data of DFSP patients presenting to a major tertiary hospital in Hong Kong for radiological assessment between November 2006 and February 2016. Seven patients with confirmed histological diagnosis of DFSP were included. Tumour sizes at presentation ranged from 1 to 5 cm, most commonly (n = 6) occurred over chest wall and abdominal wall...
October 18, 2016: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/27749444/a-comparison-of-mohs-micrographic-surgery-and-wide-local-excision-for-treatment-of-dermatofibrosarcoma-protuberans-with-long-term-follow-up-the-mayo-clinic-experience
#6
Garrett C Lowe, Oluwakemi Onajin, Christian L Baum, Clark C Otley, Christopher J Arpey, Randall K Roenigk, Jerry D Brewer
BACKGROUND: Dermatofibrosarcoma protuberans (DFSP) is a soft tissue tumor with slow infiltrative growth and local recurrence if inadequately excised. OBJECTIVE: To compare long-term outcomes after Mohs micrographic surgery (MMS) and wide local excision (WLE). MATERIALS AND METHODS: Records of patients with DFSP surgically treated with WLE or MMS from January 1955 through March 2012 were retrospectively reviewed. RESULTS: Mean follow-up for patients treated with MMS (n = 67) and WLE (n = 91) was 4...
October 4, 2016: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/27746644/pedunculated-nodules-as-a-variant-of-dermatofibrosarcoma-protuberans
#7
Min Jung Kim, Min Seok Hur, Byung Gon Choi, Soo Young Kim, Yang Won Lee, Yong Beom Choe, Kyu Joong Ahn
Dermatofibrosarcoma protuberans (DFSP) is a rare disease of dermal fibroblastic origin that accounts for less than 5% of all soft tissue sarcomas in adults. DFSP grows slowly and is an asymptomatic lesion at the initial diagnosis. Herein, we report a case of multiple pedunculated nodules as a variant of DFSP. A 47-year-old man presented with a 7-month history of multiple well-circumscribed, firm, pedunculated nodules on the inguinal area. Histopathologic examination results showed densely packed uniform spindle cells with a storiform and cartwheel pattern, and positivity for CD34...
October 2016: Annals of Dermatology
https://www.readbyqxmd.com/read/27745647/in%C3%A2-vivo-characterization-of-recurrent-dermatofibrosarcoma-protuberans-by-dermoscopy-and-reflectance-confocal-microscopy
#8
Marina Venturini, Arianna Zanca, Ausilia Maria Manganoni, Laura Pavoni, Giulio Gualdi, PierGiacomo Calzavara-Pinton
No abstract text is available yet for this article.
November 2016: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/27703659/imaging-features-of-breast-dermatofibrosarcoma-protuberans-in-various-modalities-including-fdg-pet-ct
#9
Suk Hyun Bae, Ji Young Lee
Dermatofibrosarcoma protuberans is an uncommon malignant mesenchymal tumor of the dermis, which most commonly appears on the body and extremities. A preoperative diagnosis of dermatofibrosarcoma protuberans is extremely difficult, because it is a very rare entity and its appearance is often similar to that of benign breast lesion. Here, we presented a case of breast dermatofibrosarcoma protuberans with associated radiological mammography, ultrasound, magnetic resonance imaging and fludeoxyglucose-positron emission tomography computerized tomography (FDG-PET CT) features...
April 2016: Iranian Journal of Radiology: a Quarterly Journal Published By the Iranian Radiological Society
https://www.readbyqxmd.com/read/27675428/role-of-postoperative-radiation-therapy-in-the-treatment-of-dermatofibrosarcoma-protuberans-long-term-follow-up-of-103-patients-in-a-single-center
#10
J Wu, K X Du, J Y He, X H Liao, J Li
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/27643548/paraffin-embedded-micrographic-surgery-for-the-treatment-of-dermatofibrosarcoma-protuberans-analysis-of-33-patients
#11
Adriana Martín-Fuentes, Esther De Eusebio-Murillo, Consuelo Sánchez Herreros, Adrian Ballano-Ruiz, Esther Jiménez Blázquez, Jesús Cuevas-Santos
BACKGROUND: Dermatofibrosarcoma protuberans is a rare malignant tumor with a high rate of recurrence after surgery. Moh's micrographic surgery allows examination of all surgical margins to ensure complete removal. OBJECTIVE: To evaluate the use of Moh's micrographic surgery using paraffin-embedded sections for the treatment of dermatofibrosarcoma protuberans. METHODS: We performed a retrospective analysis of 33 patients with dermatofibrosarcoma protuberans treated in our department with paraffin-embedded micrographic surgery between January 2002 and June 2015...
September 19, 2016: Indian Journal of Dermatology, Venereology and Leprology
https://www.readbyqxmd.com/read/27639272/lhrh-receptor-expression-in-sarcomas-of-bone-and-soft-tissue
#12
Chenthuran Deivaraju, H Thomas Temple, Norman Block, Philip Robinson, Andrew V Schally
AIM: Luteinizing hormone releasing hormone (LHRH) is a neurohormone, secreted by the hypothalamus, which regulates the secretion of gonadotropins, luteinizing hormone (LH) and follicle stimulating hormone (FSH) from the pituitary. LHRH acts by binding to receptors located in the pituitary gland. These receptors (LHRH receptors) have also been found in the cytoplasm of many tumor cells that involve both the reproductive and non-reproductive organs. These receptors have been demonstrated in prostate and breast cancers, endometrial carcinomas, renal cell carcinoma, lymphoma, carcinoma of liver, pancreas and skin...
November 1, 2016: Hormone Molecular Biology and Clinical Investigation
https://www.readbyqxmd.com/read/27639035/trends-in-incidence-and-survival-analysis-in-non-melanoma-skin-cancer-from-1994-to-2012-in-girona-spain-a-population-based-study
#13
J Rubió-Casadevall, A M Hernandez-Pujol, M C Ferreira-Santos, G Morey-Esteve, L Vilardell, G Osca-Gelis, N Vilar-Coromina, R Marcos-Gragera
INTRODUCTION: We present an epidemiological study focused on Non-melanoma skin cancers (NMSC), including squamous cell carcinoma (SCC), basal cell carcinoma (BCC), Merkel cell carcinoma (MCC), dermatofibrosarcoma protuberans (DFS) and adnexal and skin appendages neoplasm (ASAN), a neoplasm understudied in cancer registries. MATERIAL AND METHODS: We analyze trends of incidence and survival of NMSC registered with the Cancer Registry of Girona, Spain. RESULTS: We found 14389 cases of NMSC, accounting 3,474 SCC, 10729 BCC, 33 MCC, 61 DFSP and 71 ASAN...
December 2016: Cancer Epidemiology
https://www.readbyqxmd.com/read/27609453/scalp-tissue-expansion-above-a-custom-made-hydroxyapatite-cranial-implant-to-correct-sequelar-alopecia-on-a-transposition-flap
#14
Raphael Carloni, Christian Herlin, Benoit Chaput, Antoine De Runz, E Watier, Nicolas Bertheuil
BACKGROUND: Resection of cranial tumors involving both bone and scalp tissue may require the recruitment of soft tissue using a flap above the bone reconstruction. When a transposition flap has been chosen, the alopecia zone on the donor site may be difficult to treat afterward. Scalp expansion is the gold standard in these situations, but this has never been described above cranial implants. We report the first case of a patient who underwent a scalp tissue expansion above a custom-made hydroxyapatite cranial implant to correct sequelar alopecia...
September 5, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27608549/adaptive-immunity-in-fibrosarcomatous-dermatofibrosarcoma-protuberans-and-response-to-imatinib-treatment
#15
Marcella Tazzari, Valentina Indio, Barbara Vergani, Loris De Cecco, Francesca Rini, Tiziana Negri, Chiara Camisaschi, Marco Fiore, Silvia Stacchiotti, G Paolo Dagrada, Paolo G Casali, Alessandro Gronchi, Annalisa Astolfi, Maria A Pantaleo, Antonello Villa, Claudia Lombardo, Flavio Arienti, Silvana Pilotti, Licia Rivoltini, Chiara Castelli
Dermatofibrosarcoma protuberans (DFSP), although rare, is the most frequent skin sarcoma. Here, we focus on DFSP carrying the fibrosarcomatous transformation (FS-DFSP). FS-DFSP responds to imatinib (IM); however, tumor relapse often occurs. In a series of 21 pre- and post-treatment FS-DFSP samples, the present study explored the events that occur at the tumor site during IM therapy. Gene expression profile (GEP) and immunohistochemistry (IHC) analyses documented the occurrence of IM-induced senescence phenotype in the tumor cells and showed the accumulation of activated CD3(+) T cells and CD163(+)CD14(+) myeloid cells expressing the CD209 marker in post-therapy lesions...
September 5, 2016: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/27604676/lateral-genicular-artery-flap-for-reconstruction-of-a-large-knee-defect-following-oncological-resection-case-report
#16
Andrei Zbuchea
This article presents the case of a 53 years old patient, with ulcerated and infected dermatofibrosarcoma, extended on the anterolateral side of the left knee. The postexcisional defect, exposing patella, was covered through a regional cutaneous flap of the distal third of the thigh, upper lateral genicular artery-based, measuring 20/10 cm, together with expanded free skin split grafts, applied in proximal third of the leg and distal third of the left thigh. Surgical stages and favorable postoperative evolution are exposed...
July 2016: Chirurgia
https://www.readbyqxmd.com/read/27591501/dermatofibrosarcoma-protuberans-wide-local-excision-versus-mohs-micrographic-surgery
#17
REVIEW
John T Mullen
Dermatofibrosarcoma protuberans (DFSP) is a rare dermal soft tissue sarcoma characterized by a typically indolent clinical course. The greatest clinical challenge in management of DFSP is achieving local control. There is vigorous debate in the literature as to the optimal surgical approach to these tumors. The choice between wide local excision and Mohs micrographic surgery for DFSP should be governed by the attainment of three goals: (1) to completely excise the tumor with negative margins, tantamount to cure; (2) to preserve function, optimize cosmesis, and minimize morbidity of resection; and (3) to minimize cost and inconvenience to the patient and the health care system at large...
October 2016: Surgical Oncology Clinics of North America
https://www.readbyqxmd.com/read/27580559/effectiveness-of-imatinib-mesylate-treatment-in-a-patient-with-dermatofibrosarcoma-protuberans-with-pulmonary-and-pancreatic-metastases
#18
Toshiharu Tatai, Daisuke Gomi, Toshirou Fukushima, Takashi Kobayashi, Nodoka Sekiguchi, Akiyuki Sakamoto, Shigeru Sasaki, Tomonobu Koizumi, Kenji Sano
We herein encountered a case of abdominal wall dermatofibrosarcoma protuberans (DFSP) that developed pulmonary and pancreatic metastases 5 years after complete resection. Because specific rearrangements of the platelet-derived growth factor beta (PDGFB) locus by a novel fluorescence in situ hybridization method was detected, the patient was treated with imatinib mesylate at 400 mg/day. A partial response was achieved by imatinib without any specific toxicity. Although metastatic DFSP is an extremely rare disease, an evaluation of PDGFB fusion is essential and imatinib mesylate should be considered as an optimal therapeutic choice in patients with metastatic or locally advanced DFSP...
2016: Internal Medicine
https://www.readbyqxmd.com/read/27579237/extended-v-y-advancement-flap-reconstruction-of-a-large-posterior-upper-midline-trunk-defect
#19
Eugene Y Fukudome, Deepak R Bharadia, Douglas L Helm, Indranil Sinha
Large posterior upper trunk defects can be challenging to reconstruct. Trapezius or latissimus dorsi myocutaneous flaps are principally utilized for reconstruction; however, some defects may not be amenable to this standard approach. Here, we describe a patient with a full-thickness skin and subcutaneous tissue loss of the upper back and inferior cervical region after dermatofibrosarcoma protuberans resection. A large, extended V-Y flap was used for closure of this wound secondary to its location, size, and orientation...
May 2016: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/27572421/improving-precision-of-resection-by-pre-surgery-inspections-with-contrast-enhanced-ultrasound-for-dermatofibrosarcoma-protuberans
#20
Chuan Ma, Yang Sun, Xin Yang, Qian Zhang, Chunlei Zhang, Ligang Cui
Dermatofibrosarcoma protuberans (DFSP) is a relatively uncommon malignant soft tissue tumor. Although metastasis is rare, it has significant topo-aggressive characteristics with a high recurrence rate. The common treatment of DFSP is surgical resection. This study reported a case of a 22 years old woman who presented DFSP with single irregular red plaque in the right occipital area. The plaque is about 2 cm × 2 cm in diameter with an irregular and unclear border. In order to minimize the range of resection area, the contrast-enhanced ultrasound (CEUS) was used to precisely identify the tumor affected area before the surgery treatment...
August 29, 2016: Dermatologic Therapy
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