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Siqueira Carla Silva - - 2014
Canalicular adenoma (CA) is an uncommon benign salivary gland tumor that mostly occurs in the upper lip. Despite its benign nature, some patients may present multiple nodules and also microscopic growth that can be multifocal with foci of tumor within the adjacent gland. Microscopically, CA can be mistaken for a ...
Roche Vincent V Imagerie Medicale, AP-HP, Groupe Henri Mondor Albert Chenevier, Creteil, 94010, - - 2014
The purpose of this study was to assess the diagnostic performance of contrast-enhanced sonography (CEUS) for the differentiation of focal nodular hyperplasia (FNH) from hepatocellular adenoma (HCA) according to lesion size. Forty patients with a definite diagnosis of FNH or HCA who underwent CEUS were included in this institutional review ...
Kanitakis Jean J Dept. of Dermatology Ed. Herriot Hospital Group (Pav. R) 69437 Lyon Cx 03 - - 2014
Porokeratoses represent a group of uncommon, acquired or hereditary dermatoses, due to a keratinization disorder whose origin is still unclear; they could be due to the expansion of a clone of abnormal epidermal keratinocytes. Several clinical forms exist, of which the most common is disseminated superficial actinic porokeratosis; other forms ...
Mahdavi Nazanin N Department of Oral Pathology, School of Dentistry, Tehran University of Medical Sciences, TEHRAN, - - 2014
The orthokeratinized odontogenic cyst is a relatively rare developmental odontogenic cyst of the jaws that occurs predominantly in males between the third and fourth decades. According to the 2005 World Health Organization's classification, orthokeratinized odontogenic cyst is not a part of the keratocystic odontogenic tumor spectrum. We present a case ...
Balois Thibaut T Laboratoire de Physique Statistique, Ecole Normale Supérieure, UPMC Univ Paris 06, Université Paris Diderot, CNRS, 24 rue Lhomond, Paris 75005, France Faculté de médecine, Institut Universitaire de Cancérologie, Université Pierre et Marie Curie-Paris 6, 91 Boulevard de l'hôpital, Paris 75013, - - 2014
In glabrous skin, nevi and melanomas exhibit pigmented stripes during clinical dermoscopic examination. They find their origin in the basal layer geometry which periodically exhibits ridges, alternatively large (limiting ridges) and thin (intermediate ridges). However, nevus and melanoma lesions differ by the localization of the pigmented stripes along furrows or ...
Li Wen-Xiang WX Wen-Xiang Li, Ye Wei, Yi Jiang, Li Ren, Yun-Shi Zhong, Le-Chi Ye, De-Xiang Zhu, Wei-Xin Niu, Xin-Yu Qin, Jian-Min Xu, Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, - - 2014
Primary malignant melanoma originating in the colon is an extremely rare disease. Herein, we report a case of primary melanoma of the ascending colon. The patient was a 57-year-old male who was admitted to our hospital for persistent abdominal pain and episodes of bloody stool, nausea and vomiting. A computed ...
Santos-Briz Angel A *Department of Pathology, Hospital Universitario de Salamanca, Salamanca, Spain; †Instituto de Investigación Biomédica de Salamanca (IBSAL), Salamanca, Spain; ‡Department of Pathology, Hospital Universitario 12 de Octubre, Instituto de Investigación I+12, Madrid, Spain; §Service of Dermatology, Hospital Universitario de Salamanca, Salamanca, Spain; ¶Molecular Cytogenetics Group, Human Cancer Genetics Program, Spanish National Cancer Research Centre-CNIO, Madrid, Spain; and ÔÇľDermatopathologische Gemeinschaftspraxis, Friedrichshafen, - - 2014
: Dermatofibrosarcoma protuberans (DFSP) is a dermal and subcutaneous slow-growing tumor of intermediate malignancy. Different histological variants of DFSP have been described, depending on cellular and stromal peculiarities. Here, we report the histological features of a DFSP in which cells were frequently arrayed in cords and fascicles that were interweaved, ...
Auriemma M M Department of Medicine and Aging Science, Dermatologic Clinic, G. d'Annunzio University ofChieti-Pescara, Italy - - - 2014
Idiopathic immune myopathies (IIM) are an heterogeneous group of autoimmune muscle disorders characterized by progressive muscle involvement. Dermatomyositis (DM) is the most common form of IIM. It is a multi system disorder characterized by symmetric proximal, extensor, inflammatory myopathy, vascular involvement and a characteristic cutaneous eruption. Six types of DM ...
Yoon Tae Young TY Department of Dermatology, School of Medicine and Medical Research Institute, Chungbuk National University, Cheongju, Chungbuk, South - - 2014
The histopathologic diagnosis of alopecia areata (AA) may be difficult in the chronic stage in which the presence of a peribulbar lymphocytic infiltrate is not definite. An eosinophilic infiltrate has been reported as a relatively common histopathologic finding and a helpful diagnostic feature in AA. To investigate the frequency and ...
Damevska Katerina K University Clinic of Dermatology, The Ss. Cyril and Methodius University, Skopje, - - 2014
: Eosinophilic ulcer of the oral mucosa is considered to be a benign, reactive, and self-limiting lesion, with unclear pathogenesis, manifesting as a rapidly developing solitary ulcer. We report the case of a 52-year-old man who presented with 4 synchronous ulcerations of the tongue. Histopathological examination showed polymorphic inflammatory infiltrate, ...
Curry Jonathan L JL Departments of *Pathology, †Dermatology, and ‡Atlanta Dermatopathology, Atlanta, GA; and §Melanoma Medical Oncology, and ¶Investigative Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, - - 2014
: Dermatologic toxicities (DTs) associated with vemurafenib therapy include actinic keratosis (AK), verruca vulgaris (VV), keratoacanthoma (KA), and invasive squamous cell carcinoma (SCC), which may share histological features. The authors report the histological features to aid in distinguishing among these DTs. A 3-year retrospective examination of the authors' surgical pathology ...
Jameel Javed J Department of Orthopedic Surgery, Hamdard Institute of Medical Sciences and Research, Jamia Hamdard, New Delhi 110062, India. E-mail: - - 2014
Closed degloving skin lesions of the limbs are uncommon, and diagnosis may be missed at the time of acute trauma. Usually, they are associated with pelvic fractures but may occur in absence of any bony injury. When this closed internal degloving occurs over the greater trochanter, it is known as ...
Rifaio─člu Emine N EN Department of Dermatology, Faculty of Medicine, Mustafa Kemal University, Antakya, Hatay, - - 2014
Porokeratosis are disorders of keratinization, characterized histologically by a parakeratotic column, the cornoid lamellae, and clinically by a distinct peripheral ridge. Porokeratosis usually occurs on the trunk or extremities, and facial lesions are rare. Follicular involvement, identified by follicular localization of cornoid lamellae, is uncommon and described only in association ...
Smith Stephen M SM Department of Pathology and Laboratory Medicine, Wexner Medical Center at The Ohio State University, 410 West 10th Avenue, Columbus, OH, 43210, - - 2014
The broad morphologic spectrum, inherent immunophenotypic heterogeneity of malignant melanoma and its rarity in the sinonasal tract are major challenges in eliciting the correct diagnosis, which may lead to misclassification and inadequate medical management. Herein, we describe a single case of a 70 year-old male with sinonasal mucosal melanoma, exhibiting varying ...
Jouvet A A Service de pathologie et de neuropathologie, centre de biologie et pathologie Est, groupement hospitalier Est, hospices civils de Lyon, 59, boulevard Pinel, 69677 Bron, France; Inserm U1028, CNRS UMR5292, équipe neuro-oncologie et neuro-inflammation, centre de recherche en neurosciences de Lyon, 69372 Lyon, France. Electronic address: - - 2014
Pineal parenchymal tumours (PPTs) and pineal cysts represent one third of the pineal region lesions. PPTs are subdivided into pineocytoma (PC), pineoblastoma (PB) and PPT with intermediate differentiation (PPTID). We report morphological and immunochemical features which permit to grade these tumours. The description of histopathological features and grading is based ...
Colmenero I I Histopathology Department, Birmingham Children's Hospital, Birmingham, - - 2014
Malignant cutaneous vascular tumours are very uncommon in children. As in adults, they are aggressive neoplasms with metastatic potential and a high mortality rate. Some nonmalignant vascular tumours may exhibit a locally aggressive behaviour and some of them can be associated with life-threatening systemic complications such as Kasabach-Merritt syndrome. Early ...
Inoue Takuya T Division of Dermatology, Department of Internal Medicine, Faculty of Medicine, Saga University, Saga, - - 2014
Malignant peripheral nerve sheath tumors (MPNST) are regarded as sarcomas that arise from peripheral nerves or that display differentiation along the lines of the various elements of the nerve sheath. These tumors occur in deep soft tissues, but superficial primary MPNST with a cutaneous or subcutaneous origin have rarely been ...
Lai Lawrence P LP From the Department of Physical Medicine and Rehabilitation, Rutgers New Jersey Medical School, Newark, New Jersey (LPL, BC, JM, PMF, TPS); and American University of Antigua College of Medicine, New York, NY (SK, - - 2014
The common peroneal nerve is a major source of innervation to the lower limb, but it is sometimes compressed or entrapped at the fibular head. The authors present what they believe is the first reported case where peroneal nerve impingement caused by ganglion cyst compression of the nerve at the ...
Christman Mitalee P MP Harvard Medical School, Boston, - - 2014
A number of lesions have been documented to arise within congenital melanocytic nevi (CMNs). Although the most frequent malignancy arising within a CMN is melanoma, the association between rhabdomyosarcoma and CMN has rarely been documented. We present a case arising in a 4-month-old girl with a giant CMN. She presented ...
Li Hongxing H From the *Department of Neurosurgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang; and †Department of Intensive Care Unit, Dongying People's Hospital, Dongying, Shandong, the People's Republic of - - 2014
Neurofibromas are common peripheral nerve sheath tumors related to Schwann cell's proliferation and are usually associated with neurofibromatosis type 1. Although solitary neurofibroma that occurs in the paranasal sinus is reported occasionally, neurofibroma located in the frontal sinus is extremely rare. Here, we report a case of a young woman ...
Seleit I I Faculty of Medicine, Department of Dermatology, Andrology and STDs, Menoufiya University, Shebein Elkom, - - 2014
Vitiligo is an acquired depigmentaion of skin and hair. The presence of white hair within vitiligo lesions is considered a bad prognostic sign since these lesions are difficult to repigment. Melanocyte reservoir was not extensively studied in vitiliginous white hair. To evaluate pigment cell reservoir in vitiliginous black and white ...
Liu Lin-Na LN Lin-Na Liu, Hui-Xiong Xu, Shu-Guang Zheng, Li-Ping Sun, Le-Hang Guo, Jian Wu, Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Tenth People's Hospital of Tongji University, Shanghai 200072, - - 2014
Schwannomas occurring in the gallbladder are extremely rare. Preoperative diagnosis of gallbladder schwannomas appears to be very difficult because they are normally asymptomatic and are often found incidentally. Until now, only five cases have been reported in the literature. To our knowledge, the contrast-enhanced ultrasound (CEUS) features of gallbladder schwannomas ...
LaDouceur E E B EE Department of Pathology, Microbiology, and Immunology, School of Veterinary Medicine, University of California, Davis, CA, USA. Electronic address: - - 2014
Odontogenic cysts are derived from odontogenic epithelium, can be locally invasive and destructive and have been reported rarely in cats. A 16-year-old, male domestic shorthair cat had a 3-year history of a slowly progressive, right mandibular swelling. Intraoral dental radiographs revealed a multilocular, radiolucent, cystic mass within the right mandible ...
Tavasoly Abbas - - 2014
The infundibular keratinizing acanthoma (IKA) is a rare epithelial benign keratin-containing neoplasm of hair follicles. The purpose of this study was to evaluate the defining histopathologic architecture of IKA. A typical IKA consisted of a keratin-filled crypt in the dermis and subcutis that opened to the skin surface. Most of ...
Marques Gabriela Franco GF Instituto Lauro de Souza Lima, Bauru, SP, - - 2014
Incontinentia pigmenti is a rare X-linked genodermatosis that affects mainly female neonates. The first manifestation occurs in the early neonatal period and progresses through four stages: vesicular, verruciform, hyperpigmented and hypopigmented. Clinical features also manifest themselves through changes in the teeth, eyes, hair, central nervous system, bone structures, skeletal musculature ...
Bharathi K K Assistant Professor, Department of Pathology, Shri Satya Sai Medical College and Research Institute , Nellikuppam, Tamilnadu, India - - 2014
Myofibroblastoma is a rare benign mesenchymal tumour of the breast commonly reported in males. It is a spindle cell neoplasm exhibiting myofibroblastic differentiation with characteristic immunohistochemical staining. Herein, we present a case of myofibroblastoma in a premenopausal female which was mimicking like malignancy clinically. Lump was growing rapidly in size ...
Mittal Srabani S Department of Gynecologic Oncology, Chittaranjan National Cancer Institute, Kolkata, - - 2014
To assess the reproducibility of cervical intraepithelial neoplasia (CIN) diagnosis in a visual inspection with acetic acid (VIA) and HPV detection-based screening program, and to correlate CIN diagnosis with oncogenic HPV status. A total of 9630 women were screened by VIA and high-risk HPV detection at community outreach clinics in ...
Sakuma Takahiko T Department of Laboratory Medicine, Atsumi Hospital, Tahara, Aichi, - - 2014
We report a case of nodular fasciitis (NF) of the breast, which was cytologically diagnosed as a spindle cell proliferation with undetermined malignant potential. Owing to small size of the lesion (5.9 × 3.7 × 4.1 mm), only fine needle aspiration (FNA) cytology was performed under ultrasound guidance. The FNA ...
von Baer Alexandra A Department of Trauma and Orthopaedic Surgery, University of Ulm, - - 2014
Extraskeletal osteosarcoma is a rare neoplasia within the broad differential diagnostic spectrum of calcifying intramuscular lesions. We present a case of a slowly increasing mass within the left vastus lateralis muscle. At first presentation the patient showed a partially calcified well defined mass with a diameter of 5cm and with ...
Schuldt Maolly M Departments of Pathology, San Cecilio University Hospital, University of Granada, 18012, Granada, - - 2014
To report an exceptional case of papillary ependymoma occurring in the endometrium. Clinicopathological study presenting a case of papillary ependymoma occurring in the endometrial cavity in a 61-year-old patient who had presented a solid type, stage III anaplastic ependymoma of the ovary, treated with cytoreductive surgery that included total abdominal ...
Gnarra Maria M Dermatologic Clinic, Policlinico A. Gemelli, Università Cattolica del Sacro Cuore, Rome, - - 2014
Peripillous sheaths, or hair casts, are asymptomatic, white, cylindrical concretions that encircle the hair without adhering to it. They are infrequently documented in the literature, are often misdiagnosed, and generate avoidable apprehension and expense for parents and caregivers. Dermoscopy is the standard for a rapid, noninvasive, cost-effective diagnosis. We describe ...
Campos Cecília B CB Laboratory of Comparative Pathology, Department of General Pathology, Biological Science Institute, Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, 31270-901, - - 2014
The aim of this study was to evaluate important clinical, morphological, histopathological, histochemical, and immunohistochemical characteristics in order to establish the diagnosis and prognosis of a low-grade intra-orbital myxosarcoma. A mongrel dog presented a 2-year history of a neoplastic mass behind the right eye. The neoplasm presented a mesenchymal spindle ...
Allende Daniela D Department of Anatomic Pathology, Cleveland Clinic, Cleveland, Ohio, - - 2014
Colonic epithelial dysplasia is deemed the precursor lesion of cancer arising in inflammatory bowel disease (IBD). It has been suggested that many dysplastic lesions could be endoscopically detected to obtain target biopsies, leading to better yield. However, the clinical impact of a diagnosis of dysplasia may be hampered by a ...
Marando Alessandro A Department of Surgical and Morphological Sciences, University of Insubria, Varese, Italy. Electronic address: - - 2014
Lymphangiosarcoma is a rare malignant neoplasm of endothelial cells. The term is used to describe an angiosarcoma associated with chronic lymphedema. The skin of the head and neck region is the most common site of origin. Rather few cytogenetic studies on lymphangiosarcoma are reported in the literature. We here describe ...
Hattori Yukinori Y Division of Pathology and Clinical Laboratory, National Cancer Center Hospital, Tokyo, - - 2014
Desmoplastic small round cell tumor (DSRCT) is a rare and aggressive neoplasm that predominantly affects young men. DSRCT often presents as multiple nodules on the serosal surface and is histologically categorized as a small round cell tumor. However, the cytological spectrum of DSRCT is not fully understood because of its ...
Dalis J S JS Mycology Laboratory, National Veterinary Research Institute, Vom, Nigeria. Electronic address: - - 2014
Sporothrix schenkii and Dermatophilus congolensis were isolated from a bull with severe generalized skin lesions. The lesions were thick, crusty and scabby on the dorsal part while few scabby and several nodular lesions were seen on the lower limbs especially the thighs. Scab samples and exudates from the nodules were ...
Mosqueda-Taylor Adalberto A Departamento de Atención a la Salud, Universidad Autónoma Metropolitana Xochimilco, México, - - 2014
To describe the clinico-pathologic and immunohistochemical features of six tumours that do not fulfill the criteria of any of the currently classified odontogenic tumours. 3 males and 3 females, whose ages ranged from 3 to 18 years (mean: 11.5 yr). All cases were well-defined radiolucencies associated to unerupted teeth exhibiting ...
Miteva Mariya M Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, Fla., - - 2014
Background: Alopecia areata-like hair loss may occur in the context of cutaneous T cell lymphoma (CTCL) and can very rarely evolve to alopecia universalis-like presentation. The dermoscopic findings of CTCL-related alopecia have not been described. Methods: Two patients with alopecia areata universalis-like hair loss occurring in the context of preexisting, ...
Ali Mohammad Javed - - 2014
Punctal keratinizing cyst is an extremely rare ectasia arising from the most proximal part of the vertical canaliculus just beneath the punctum. To the best of the authors' knowledge, so far only 1 such case has been described in the literature. Typical clinical features and a meticulous histopathological examination aid ...
Nakamura S S Azabu University, Sagamihara, Kanagawa, - - 2014
This report describes atypical cases of yersiniosis in squirrel monkeys in which aberrant forms of Yersinia pseudotuberculosis were seen. There were 2 outbreaks due to yersiniosis in squirrel monkeys in Japan. The monkeys had systemic necrotizing and hemorrhagic lesions with Gram-negative rod-shaped bacilli and microthromboembolism in the kidneys. Some lesions ...
Abrishami Mojtaba M Ocular Oncology and Retina and Vitreous Service, Farabi Hospital, Tehran University of Medical Sciences, Tehran, - - 2014
A 14-year-old boy presented with a 6-month history of small white masses in his right eye. Examination revealed a white floating fluffy lesion and 2 vegetative hornlike white lesions originating at the periphery of the iris. On ultrasound biomicroscopy, a normal echogenic mass was detected on the inferior iris root ...
Bain Iii E Eugene - - 2014
Necrobiotic xanthogranuloma (NXG) is an uncommon granulomatous disorder of unknown pathogenesis that often presents with yellowish plaques in a periorbital distribution. While a majority of cases are associated with an underlying paraproteinemia of the IgG kappa type, a much smaller number are found to be associated with an underlying multiple ...
Shi G G Department of Dermatology, Affiliated Hospital of Guangdong Medical College, Zhanjiang, Guangdong, - - 2014
Six cases of eruptive vellus hair cysts (EVHC) were evaluated for histopathology and the immunohistochemical profile of Ki-67 and four keratins (K10, K14, K17 and K19). The pathological hallmark of EVHC was the existence of vellus hair shafts within the cystic cavity, but atypical pathological changes included two or three ...
Omar Esam - - 2014
Keratoacanthoma is a relatively common low-grade malignancy that originates in the pilosebaceous glands. Pathologically, it closely resembles squamous cell carcinoma. Keratoacanthoma is believed to have a good prognosis; however, it has been reclassified as squamous cell carcinoma, keratoacanthoma type, to reflect the difficulty in histologic differentiation of this lesion as ...
Jia Changjun - - 2014
Desmoid-type fibromatosis (DTF) is an uncommon nonmetastatic fibrous neoplasm. Sporadic intraperitoneal DTF is rarely described in current literature. We herein report a case of DTF of unknown cause involving the pancreatic head. A 41-year-old man presented with recurrent epigastric pain and weight loss. An abdominal computed tomography scan showed a ...
Waxman Sarah J SJ Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Purdue University, West Lafayette, - - 2014
To assess contamination of joints with tissue and hair debris after arthrocentesis. Experimental. Fetlock joint tissues (n = 6 horses). Soft tissue flaps including joint capsule were dissected from the dorsal aspect of fetlock joints of 6 anesthetized horses leaving an intact proximal base ("live" model) or with complete excision and immediate ...
Tirado Mariantonieta M Department of Dermatology, University of Münster, Münster, - - 2014
: Goltz-Gorlin syndrome presents with multiple basal cell carcinomas, odontogenic keratocysts, and cutaneous cysts, among other manifestations. The cutaneous cysts have been described as both epidermoid cysts and keratocysts but were not further characterized. Light microscopic examinations were made on 23 cutaneous cysts in 4 patients associated with Goltz-Gorlin syndrome ...
Sakamoto M M Department of Oral Diagnosis, Tohoku University Graduate School of Dentistry, Aoba-ku, Sendai, - - 2014
The purpose of this study was to clarify the diagnostic value of capsule-like rim enhancement (CLRE) on magnetic resonance imaging (MRI) for distinguishing malignant from benign tumours of the parotid gland. We retrospectively evaluated contrast-enhanced T1-weighted images of 100 patients with malignant and benign parotid tumours for the presence, completeness, ...
Chawla Rakesh K RK Department of Respiratory Medicine, Critical Care and Sleep Disorders, Jaipur Golden Hospital, Rohini, Delhi, - - 2014
We present a 70-year-old female patient who had the history of hypertension and presented with massive haemoptysis. She had been complaining of cough with expectoration and mild streaking of blood in sputum for about 3 days with only crepts in right infrascapular and infra-axillary regions as positive clinical findings. Bronchoscopy ...
Oliveira Lorena Cassia de Carvalho LC Pontifícia Universidade Católica de Goiás, Goiânia, GO, - - 2014
A 6 year-old patient began to experience localized hairloss in the right temporal region three years ago. During the first appointment, diagnoses of alopecia areata and congenital triangular alopecia were made. After one year, there was no change. Upon dermatological examination, non-scarring alopecia was noted in the right temporal region, ...
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