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Sebaceous neoplasm

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https://www.readbyqxmd.com/read/28913303/simultaneous-development-of-three-different-neoplasms-of-trichilemmoma-desmoplastic-trichilemmoma-and-basal-cell-carcinoma-arising-from-nevus-sebaceus
#1
Chi An Lee, Seok Joo Kang, Seong Pin Jeon, Hook Sun, Mi Seon Kang
Nevus sebaceus is a hamartoma of the sebaceous gland that occurs congenitally, from which various secondary tumors can arise with a prevalence of 5%-6%. Benign neoplasms commonly arise from nevus sebaceous, but they have a very low malignant potential. Two neoplasms may occasionally arise within the same lesion, but it is rare for three or more neoplasms to occur in a nevus sebaceus simultaneously. A 61-year-old male patient was admitted to our hospital for a 4 cm×2.5 cm growing tumor in a verrucous form arising within a periauricular nevus sebaceus in the post auricle of the left ear that had developed 30 years earlier...
March 2017: Arch Craniofac Surg
https://www.readbyqxmd.com/read/28873247/evaluation-and-comparison-of-staining-patterns-of-factor-xiiia-ac-1a1-adipophilin-and-gata3-in-sebaceous-neoplasia
#2
B Joel Tjarks, Brandy R Pownell, Claire Evans, Paul A Thompson, Amy M Kerkvliet, Michael R D Koch, Ali D Jassim
INTRODUCTION: Reliable nuclear immunohistochemical stains for sebaceous neoplasms have not been readily available. Positive nuclear staining has been reported by GATA3 and factor XIIIa (AC-1A1). We sought to determine the diagnostic utility of these nuclear stains by comparing their staining pattern to adipophilin, a consistently positive cytoplasmic stain. METHODS: Cases with the diagnosis of sebaceous hyperplasia, sebaceous adenoma, sebaceous epithelioma/sebaceoma, and sebaceous carcinoma, nonsebaceous neoplasms (basal cell carcinoma, and squamous cell carcinoma) were examined...
September 5, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28862213/profile-of-eyelid-malignancy-in-a-tertiary-health-care-center-in-north-india
#3
Priyanka Gupta, Ramesh Chandra Gupta, Lubna Khan
CONTEXT: The eyelids are affected by wide spectrum of benign and malignant lesions. Basal cell carcinoma (BCC) is the most common malignancy encountered while other malignant lesions such as sebaceous cell carcinoma and squamous cell carcinoma are rare. Data regarding geographical variation in trends of malignant eyelid tumors are presented in the current study. SETTINGS AND DESIGN: Prospective, longitudinal, observational study was conducted from December 2011 to October 2013...
July 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28859734/analysis-of-sebaceous-neoplasms-for-dna-mismatch-repair-proteins-in-muir-torre-syndrome
#4
Tess H Pollinger, Christopher R Kieliszak, Nicholas Logemann, Max L Gratrix
Muir-Torre syndrome is a rare genodermatosis inherited most frequently in an autosomal dominant fashion. Current criteria for its diagnosis include at least one sebaceous tumor and an underlying visceral malignancy. Muir-Torre syndrome is strongly associated with a germline mutation in DNA mismatch repair genes. We report two patients with a history of colorectal carcinoma who presented with sebaceous neoplasms on the face and trunk. Immunohistochemical staining of the sebaceous neoplasms demonstrated absence of mismatch repair proteins MSH2 and MSH6...
2017: Skinmed
https://www.readbyqxmd.com/read/28791272/laparoscopic-repair-of-a-rectal-fistula-due-to-a-benign-ovarian-dermoid-cyst
#5
Ji Hye Kim, Gun Oh Chong, Da Som Chun, Soo Yeun Park, Yoon Hee Lee, Dae Gy Hong
Ovarian dermoid cysts are one of the most common benign neoplasms in women. Rectal fistula formation due to an ovarian dermoid cyst, particularly a benign dermoid cyst, is extremely rare. A 17-year-old girl with symptoms of lower abdominal pain, passage of sebaceous materials in the stool, and hematochezia was found to have an 11-cm dermoid cyst complicated with a rectal fistula formation. Laparoscopic repair of the rectal fistula was performed successfully with bilateral ovarian cystectomies. This case presents the rare formation of a fistula between a benign dermoid cyst and the rectum and its treatment using laparoscopic repair without laparotomy...
July 2017: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/28749576/review-of-the-current-medical-literature-and-assessment-of-current-utilization-patterns-regarding-mismatch-repair-protein-immunohistochemistry-in-cutaneous-muir-torre-syndrome-associated-neoplasms
#6
REVIEW
Jason B Lee, Brandon R Litzner, Claudia I Vidal
Muir-Torre syndrome is a clinical variant of Lynch syndrome defined by the synchronous or metachronous occurrence of at least one sebaceous neoplasm and at least one Lynch syndrome-related internal cancer. Although screening guidelines for patients with colorectal carcinomas have been established, screening guidelines for cutaneous Muir-Torre associated neoplasms are not currently available. As such, we reviewed the current evidence for the use of MLH1, MSH2, MSH6 and PMS2 immunohistochemistry when cutaneous Muir-Torre associated neoplasms are encountered...
July 27, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28741159/sebaceous-gland-carcinoma-of-the-ocular-adnexa-variability-in-clinical-and-histological-appearance-with-analysis-of-immunohistochemical-staining-patterns
#7
Eva Janine Schmitz, Martina C Herwig-Carl, Frank G Holz, Karin U Loeffler
PURPOSE: The purpose of the study was to evaluate the characteristics of sebaceous gland carcinoma (SGC) of the ocular adnexae, which is due to a high variability in clinical, histological and immunohistochemical characteristics often challenging to diagnose. METHODS: Records of six patients with SGC were reviewed, who underwent surgical excision and who were histologically diagnosed with SGC. For comparison, there were specimens from four patients with basal cell carcinoma (BCC) and four patients with squamous cell carcinoma (SCC)...
July 24, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28681210/sebaceous-carcinoma-a-review-of-the-scientific-literature
#8
REVIEW
Thomas Knackstedt, Faramarz H Samie
Sebaceous carcinoma is a rare and potentially aggressive cutaneous malignancy. Commonly reported in the periocular area and the head and neck region, sebaceous carcinoma can arise from any sebaceous gland in the skin. The clinical presentation may be nonspecific, and a biopsy is important to establish a diagnosis and to differentiate from mimickers including benign sebaceous neoplasms, other adnexal tumors, and basal cell carcinoma. A diagnosis of Muir Torre syndrome should be considered in patients presenting with a sebaceous neoplasm...
August 2017: Current Treatment Options in Oncology
https://www.readbyqxmd.com/read/28677299/tdt-expression-in-normal-and-neoplastic-sebaceous-cells
#9
Sofia-Eleni Tzorakoleftheraki, Alexandros Iliadis, Ioannis Kostopoulos, Triantafyllia Koletsa
AIMS: Terminal deoxynucleotidyl transferase (TdT) is a DNA polymerase expressed in immature, normal and neoplastic, lymphoid or hematopoietic cells and in neuroendocrine carcinomas, like Merkel cell carcinoma and small cell carcinoma. It has not yet been described in cells of epithelial origin. After observing TdT immunoreactivity in normal sebaceous glands we analyzed its spectrum of expression in cases of sebaceous cell hyperplasia and sebaceous cell neoplasms. METHODS & RESULTS: Twelve cases of sebaceous gland hyperplasia (SGH), and three cases of other benign lesions, namely, sebaceoma, sebaceous adenoma and sebaceous nevus, along with four archived cases of sebaceous cell carcinomas (SC) were collected and stained with TdT antibody...
July 5, 2017: Histopathology
https://www.readbyqxmd.com/read/28665073/sebaceous-carcinoma-clinicopathologic-analysis-of-29-cases-in-a-tertiary-hospital-in-korea
#10
Su Kyung Park, Jin Park, Han Uk Kim, Seok Kweon Yun
Sebaceous carcinoma (SC) is a neoplasm derived from the adnexal epithelium of the sebaceous glands, and most studies on this neoplasm have been conducted in Caucasians. We retrospectively reviewed the records of 29 patients with SC (16 extraocular and 13 ocular lesions) who were diagnosed from 2001 to 2014 to analyze the clinical and histopathological features of SC in the Korean population. Sixteen of the patients were women and 13 were men. There was an equal sex distribution for extraocular lesions, and a female predilection (M:F = 1:1...
August 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28658793/mucoepidermoid-carcinoma-of-salivary-gland-limitations-and-pitfalls-on-fna
#11
Geetha Vasudevan, Arijit Bishnu, Brij Mohan Kumar Singh, Varun Kumar Singh
Mucoepidermoid Carcinoma (MEC) is the most common malignant neoplasm of salivary gland origin. However, its morphologic heterogeneity poses difficulty in interpretation. In the present series we discuss the morphologic features of MEC, limitations and pitfalls in its diagnosis on Fine Needle Aspiration Cytology (FNAC). Fourteen cases of suspected MEC were evaluated cytologically followed by histopathological examination for confirmation. A definite cytological diagnosis was rendered in nine cases; three of the remaining five were underdiagnosed as abscess, pleomorphic adenoma and mucus cyst...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28633738/sebaceous-carcinoma-on-the-arm-of-a-10-year-old-girl
#12
Stephen K Stacey, Tyler A Moss, Todd T Kobayashi
We report a case of a 10 year-old girl diagnosed with sebaceous carcinoma of the posterior left arm. The presented case reviews the histopathological and immunohistochemical characteristics of this malignancy, including a review of the literature in pediatric patients regarding prognosis and treatment. Sebaceous carcinoma is a malignant neoplasm with sebaceous differentiation, typically occurring in the sixth-to-seventh decades of life. It most commonly arises in the periocular region. It is extremely rare in the pediatric population...
June 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28503344/adnexal-tumors-of-skin-an-experience-at-a-tertiary-care-center-at-delhi
#13
M Pujani, G B Madaan, Z S Jairajpuri, S Jetley, M J Hassan, S Khan
BACKGROUND: Adnexal skin tumors are a heterogeneous group of uncommon tumors usually misdiagnosed clinically due to a huge variety of types and their variants. Histopathology usually helps in establishing the diagnosis. AIMS: The study was undertaken to analyze the morphological, clinical, and histological features of adnexal tumors (ATs) of the skin at our center over a period of 4 years. SUBJECTS AND METHODS: retrospective study was conducted over a period of 4 years (April 2010-March 2014), comprising 25 ATs of skin diagnosed in the Department of Pathology, Hamdard Institute of Medical Sciences and Research, Jamia Hamdard, New Delhi...
September 2016: Annals of Medical and Health Sciences Research
https://www.readbyqxmd.com/read/28394798/sox10-and-dog1-expression-in-primary-adnexal-tumors-of-the-skin
#14
Cecilia Lezcano, Jonhan Ho, Raja R Seethala
Primary skin adnexal tumors can be challenging to classify and must be discerned from cutaneous adenocarcinoma metastases from various sites. We evaluated expression of Sox10 and DOG1 in normal cutaneous adnexa and in 194 primary skin adnexal tumors, and compared their performance in discriminating primary skin adnexal tumors from cutaneous metastatic adenocarcinomas with that of p40 and p63. In normal skin adnexa, we noted Sox10 expression in both the secretory and myoepithelial cells in eccrine glands, but only in myoepithelial cells in apocrine glands...
March 27, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28323779/gata3-and-myb-expression-in-cutaneous-adnexal-neoplasms
#15
Joana Pardal, Uma Sundram, M Angelica Selim, Mai P Hoang
Knowledge of staining pattern of certain immunostains might be useful in the classification of cutaneous adnexal tumors that can have clinical importance. We studied GATA3 and MYB expression in archival materials of 220 adnexal tumors comprised of sebaceous carcinomas, follicular tumors, apocrine carcinoma, predominantly apocrine tumors, predominantly eccrine tumors, and others including adenoid cystic carcinomas. Nuclear GATA3 expression was seen in 70% (153/220) of cases, including sebaceous carcinoma (93%), apocrine carcinoma (93%), follicular neoplasms (100%), and predominantly apocrine neoplasms (69%), yet only 38% of predominantly eccrine neoplasms...
April 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28323778/squared-off-nuclei-and-appliqu%C3%A3-pattern-as-a-histopathological-clue-to-periocular-sebaceous-carcinoma-a-clinicopathological-study-of-50-neoplasms-from-46-patients
#16
Sigrid M C Broekaert, Katharina Flux, Liubov Kyrpychova, Denisa Kacerovska, Doina Ivan, Michael P Schön, Philipp Ströbel, Michal Michal, Natalja Denisjuk, Katrin Kerl, Dmitry V Kazakov
The histopathological diagnosis of periocular sebaceous carcinoma can be difficult in poorly differentiated cases showing few mature sebocytes. The authors examined 50 periocular sebaceous carcinomas from 46 patients to determine the frequency of 2 features seen in this neoplasm, namely cells with squared-off nuclei and so-called "appliqué" pattern (peritumoral subnecrosis of peripherally located neoplastic cells). Neoplastic cells with squared-off nuclei were found in varying numbers in both the intraepithelial and dermal (invasive) components in all neoplasms, whereas the appliqué pattern was observed in a third of the cases...
April 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28323777/msh6-past-and-present-and-muir-torre-syndrome-connecting-the-dots
#17
REVIEW
Meera Mahalingam
Sebaceous neoplasms such as adenoma, sebaceoma, and carcinoma, although sporadic in their occurrence, are clinically significant because of their association with Muir-Torre syndrome (MTS). MTS is a rare autosomal dominant genodermatosis characterized by the occurrence of sebaceous neoplasms and/or keratoacanthomas and visceral malignancies. MTS is usually the result of germline mutations in the DNA mismatch repair genes MSH2 and, albeit less commonly, MLH1. Although less know, MSH6 is yet another key player...
April 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28300931/squamous-cell-carcinoma-arising-in-a-multiple-verrucous-epidermal-nevus
#18
Samira Yarak, Taila Yuri Siqueira Machado, Marilia Marufuji Ogawa, Mirian Luzia da Silva Almeida, Milvia Maria Simões E Silva Enokihara, Adriana Maria Porro
Verrucous epidermal nevi are hamartomatous lesions of the epidermis that, unlike other epidermal nevi (such as sebaceous nevus or nevus comedonicus), are rarely associated with malignant neoplasms. The majority of squamous cell carcinoma develop in linear or multiple epidermal nevus and rarely in solitary epidermal nevus. In general, the prognosis is favorable. We report a case of well-differentiated invasive squamous cell carcinoma arising from a multiple verrucous epidermal nevus. Although there is no consensus on prophylactic removal of epidermal nevus, its removal and biopsy should be considered if changes occur...
September 2016: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28284233/retrospective-study-of-rare-cutaneous-malignant-adnexal-tumors-of-the-head-and-neck-in-a-tertiary-care-cancer-hospital-a-case-series
#19
Omer Waqas, Muhammad Faisal, Irfan Haider, Awais Amjad, Arif Jamshed, Raza Hussain
BACKGROUND: Adnexal tumors of the skin are a large and diverse group of benign and malignant neoplasms, which exhibit morphological differentiation toward one of the different types of adnexal epithelium present in normal skin and they pose a diagnostic challenge. The purpose of this study is to share our experience with these rare but aggressive tumors at a tertiary care cancer hospital in a developing country. A retrospective review of 11 patients diagnosed with rare adnexal tumors and their variants from January 2005 to December 2014, treated either surgically or non-surgically, was performed to describe the clinicopathological characteristics and outcome of the disease...
March 12, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28272654/multiple-pigmented-seborrheic-keratosis-with-sebaceous-differentiation-a-case-report
#20
R Vimal Chander, P Jajaganesh, Ganthimathy Sekhar, S Chitra
Seborrheic keratosis is a benign lesion that is common in the trunk and head and neck regions. It shows a considerable variety of histological appearances leading to different variants. The presence of sebaceous differentiation in seborrheic keratosis is very rare and can histologically mimic benign and malignant tumors with sebaceous differentiation. We present a case of a 65-year-old male presenting with multiple nodules over the right and left sides of neck and the right preauricular region, histopathological examination of which revealed multiple pigmented seborrheic keratoses with sebaceous differentiation...
February 4, 2017: Türk Patoloji Dergisi
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