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Cutaneous mucinous lesions

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https://www.readbyqxmd.com/read/29708358/cutaneous-and-subcutaneous-metastases-of-adenocarcinoma-as-a-dominant-clinical-manifestation-of-malignancy-of-unknown-origin-a-case-report
#1
Vladimír Bartoš, Kamila Hamarová
BACKGROUND: Cutaneous metastases occur in 0.6-10.4% of all patients with underlying malignancy. Among them, the site of origin remains unknown in 4.4-14.5% of all cases. CASE: The authors describe a 68-year-old man with widespread skin and soft tissue metastases appearing as the first and dominant clinical manifestation of oncologic disease. Physical examination and CT scans revealed multiple cutaneous and subcutaneous tumor nodules arising in the neck, chest, abdomen, lumbar region and right forearm, as well as in the gluteal and iliacus muscles and in the proximal part of the left thigh...
2018: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
https://www.readbyqxmd.com/read/29668590/a-case-report-of-lupus-erythematosus-tumidus-converted-from-discoid-lupus-erythematosus
#2
Xiaomei Chen, Sheng Wang, Li Li
RATIONALE: Lupus erythematosus tumidus (LET) is an uncommon type of cutaneous lupus erythematosus (CLE) that is rarely associated with other forms of lupus erythematosus. PATIENT CONCERNS: We report a 62-year-old Chinese man presented with recurrent erythematous facial plaques for 1 year and a low-grade fever for 1 week. He had been diagnosed as discoid lupus erythematosus (DLE) 1 year before. Physical examination showed diverse lesions, including prominent swelling of the eyelids, a few erythematous, edematous plaques on the left forehead, face, and neck, and 2 hairless macules...
April 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29524269/dermatomyositis-panniculitis-a-clinicopathological-and-immunohistochemical-study-of-18-cases
#3
A Santos-Briz, A Calle, K Linos, B Semans, A Carlson, O P Sangüeza, D Metze, L Cerroni, J L Díaz-Recuero, V Alegría-Landa, J M Mascaró, C Moreno, J L Rodríguez-Peralto, L Requena
BACKGROUND: Panniculitis occurring in dermatomyositis is uncommon, with only a few cases described in the literature, most of them as case reports. OBJECTIVE: This report describes the clinicopathological and immunohistochemical findings in a series of 18 patients with panniculitis associated with dermatomyositis. METHODS: In each patient, we collected the clinical data of the cutaneous lesions as well as the characteristic clinical and laboratory findings...
March 10, 2018: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29368845/cutaneous-lupus-erythematosus-clinico-pathologic-correlation
#4
Raffaele Filotico, Valentina Mastrandrea
Cutaneous lupus erythematosus (CLE) is a chronic-relapsing disease. It is defined as a LE localized to the skin without any significant systemic symptoms. Its annual incidence is of 4 cases per 100,000 persons with a prevalence of 73 cases per 100,000 persons. The etiology is unknown but it is considered as a prototype of autoimmune disease in which genetic factors (HLA), environmental factors (photo exposure and cigarette smoking) and pharmacological agents play an important role. The most accepted classification includes three clinical variants: acute (ACLE), subacute (SCLE) and chronic (CCLE)...
January 24, 2018: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/29191824/primary-cutaneous-mucoepidermal-carcinoma
#5
Mudita Gupta, Anchana Gulati, Kuldeep Verma, Archit Gupta
Mucoepidermal carcinoma (MEC) is a tumour having mixed components of mucus secreting and epidermoid cells. Salivary glands are the the most common site of origin. Primary cutaneous MEC is a rare presentation. We report a primary cutaneous MEC in a 98-year-old woman presenting a noduloulcerative lesion over the dorsum of the nose. Histopathology of the tumour showed nests of epidermoid cells with glandular differentiation and mucin production. The diagnosis was confirmed by immunohistochemistry.
November 29, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29174934/primary-lesions-that-may-imitate-metastatic-tumors-histologically-a-selective-review
#6
REVIEW
Mark R Wick
Several primary pathologic entities in diverse anatomic locations have the potential to simulate metastatic neoplasms histologically. Their misinterpretation as such may result in needless and extensive clinical evaluations that are intended to detect a presumed malignancy at another site. More importantly, mistakes of this type can deprive patients of surgical excisions that could be curative. This presentation considers a review of selected primary lesions that can simulate metastases. They include hemangioblastoma, glioblastoma and meningioma with epithelial metaplasia, choroid plexus carcinomas, primary neuroendocrine carcinomas in unusual locations, special forms of sinonasal and salivary glandular adenocarcinoma, clear-cell thyroid carcinomas, unusual microscopic subtypes of pulmonary adenocarcinoma, epithelioid myomelanocytomas ("sugar tumors"), mesotheliomas, primary thymic carcinomas, endodermal choristomas of the interatrial myocardium, peripheral cholangiocarcinoma, adrenocortical carcinoma, adenocarcinomas of the urinary bladder, mucinous and "rhabdoid" tumors of the ovaries, rete testis adenocarcinomas, interdigitating dendritic-cell sarcoma of lymph nodes, selected sweat gland carcinomas, cutaneous Merkel cell carcinoma, primary dermal and subcutaneous melanoma, mucosal and visceral melanomas, epithelioid sarcoma, clear-cell sarcoma, and adamantinoma of long bones...
March 2018: Seminars in Diagnostic Pathology
https://www.readbyqxmd.com/read/29079171/a-novel-fusion-gene-crtc3-maml2-in-hidradenoma-histopathological-significance
#7
Yuki Kuma, Yuichi Yamada, Hidetaka Yamamoto, Kenichi Kohashi, Takamichi Ito, Masutaka Furue, Yoshinao Oda
Hidradenoma usually presents as a solitary, slow-growing, and solid or cystic nodular lesion, which arises in various anatomical sites. Its diagnosis is occasionally difficult because the tumor shares histological features with other cutaneous appendage tumors. Recently, CRTC1-MAML2 fusion gene was reported in hidradenomas, with the fusion transcript being demonstrated in approximately 50% of cases. However, limited information is available regarding its clinical significance. Here, we investigated the relationship between the fusion gene and clinicohistopathological features...
December 2017: Human Pathology
https://www.readbyqxmd.com/read/28960456/primary-large-cell-neuroendocrine-carcinoma-of-the-skin-an-under-recognized-entity-and-a-mimic-of-metastatic-disease
#8
Ian Marie Lano, Daniel Rayson, Thomas Arnason, Noreen M G Walsh
Primary large cell neuroendocrine carcinomas of the skin are exceptionally rare and can be diagnosed only when a metastasis from another organ has been excluded. We report the case of a 62-year-old woman with a cutaneous papule on the mid-chest which generated a differential diagnosis of vascular lesion and basal cell carcinoma. Following excision, microscopic evaluation revealed a dermal large cell undifferentiated carcinoma, with a brisk mitotic rate and focal geographic necrosis. Mucin production was absent...
January 2018: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28700376/eruptive-multifocal-cutaneous-mucinous-cysts
#9
Deshan F Sebaratnam, Nita Agar, Wendy Cooper, Louise Jackett
Cutaneous cysts lined by mucinous epithelium are rare entities. We report an unusual case of a 60-year-old female patient who presented with a 2-month history of eruptive cystic papules on her right thigh. Histopathologic study showed multiple, multiloculated cysts located in the dermis lined by nonciliated mucinous epithelium. The cyst lining was positive for AE1/AE3, CK7, CK20, and GCDFP15. Patchy positivity was noted on the p53 stain. Attenuated Sox10 positive cells were identified, raising the possibility of sweat duct origin; however, no myoepithelial layer was identified by p63 staining...
January 2018: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28597962/an-unusual-clinical-presentation-of-lupus-erythematosus-tumidus-localized-on-the-thigh
#10
T Hashimoto, Y Kawakami, H Wakabayashi, W Oda, T Hamada, H Doi, Y Aoyama, K Iwatsuki
A 44-year-old woman with seronegative polyarthritis presented with a 2-year history of a solitary, bluish-red, oedematous, nonscaly, annular and partially reticulated macule on her right thigh. Histopathological findings revealed perivascular and periadnexal lymphocytic infiltrate in the dermis. Alcian blue and colloidal iron stains highlighted mucinous deposit in the upper and mid dermis. Direct immunofluorescence showed a linear deposit of IgG and C3 along the basement membrane zone. Antinuclear antibody was positive at a titre of 1 : 80, with homogenous and speckled patterns...
June 9, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28556021/hereditary-progressive-mucinous-histiocytosis-3-different-phenotypes-in-3-family-members
#11
Celia Requena, Luis Requena, Victor Traves, Onofre Sanmartín
We describe 3 cases of multiple histiocytic cutaneous tumors that began in childhood and affected 3 members from 2 generations of the same family: a mother, a daughter and a nephew. The lesions were mostly skin-colored papules distributed symmetrically on the dorsum of the forearms and hands and on the face and thighs. There were no signs of spontaneous regression. The clinical and histopathological features were consistent with a diagnosis of hereditary progressive mucinous histiocytosis (HPMH), but phenotypic expression varied somewhat between the 3 patients...
May 29, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28300905/lupus-tumidus-a-report-of-two-cases
#12
Bianca Pinheiro Bousquet Muylaert, Bruna Backsmann Braga, Eduarda Braga Esteves, Luciana Elisa Barandas Garbelini, Alexandre Ozores Michalany, Jayme de Oliveira
Lupus tumidus is considered a rare subtype of chronic cutaneous lupus erythematosus, characterized by erythema and bright urticarial erythematous-violaceous lesions that leave no scars after regression. Histopathology reveals perivascular and periannexal lymphohistiocytic infiltrates in the papillary and reticular dermis and interstitial mucin deposition. Treatment is based on photoprotection, topical corticosteroids and antimalarials. We report two cases of lupus tumidus, which deserve attention for their low frequency in the literature, in addition to their relevance as a differential diagnosis among dermatologic disorders...
September 2016: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28221208/study-on-mucin-in-normal-appearing-leg-skin
#13
Angel Fernandez-Flores
Dermal deposits of mucin in the legs have been described associated with venous insufficiency. However, some degree of stasis dermatitis is generally common in aged individuals. Therefore, some amount of mucin is expected a priori in the reticular dermis of aged patients, even in the absence of clinical lesions. To test this hypothesis, the authors investigated the mucin in the legs of aged individuals without any dermatologic disease. Cutaneous samples were taken from the legs of 15 autopsy cases. A sample of the skin of the legs (either from the left or the right leg without any distinction being made) was randomly taken (without selecting any specific area or attending to macroscopical features)...
March 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/27870730/cutaneous-sebaceous-lesions-in-a-patient-with-mutyh-associated-polyposis-mimicking-muir-torre-syndrome
#14
Denisa Kacerovska, Lubomir Drlik, Lenka Slezakova, Michal Michal, Jan Stehlik, Monika Sedivcova, Ladislav Hadravsky, Dmitry V Kazakov
A 76-year-old white male with a history of adenocarcinoma of the rectosigmoideum and multiple colonic polyps removed at the age of 38 and 39 years by an abdominoperitoneal amputation and total colectomy, respectively, presented with multiple whitish and yellowish papules on the face and a verrucous lesion on the trunk. The lesions were surgically removed during the next 3 years and a total of 13 lesions were investigated histologically. The diagnoses included 11 sebaceous adenomas, 1 low-grade sebaceous carcinoma, and 1 squamous cell carcinoma...
December 2016: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/27833986/dermal-plexiform-spindle-cell-lipoma
#15
José Fernando Val-Bernal, Sandra Hermana
Spindle cell lipoma located in the dermis is uncommon. The plexiform variant of this tumor is rare. In fact, only six cases of this variant have been described previously. We report herein a case of dermal plexiform spindle cell lipoma with prominent myxoid matrix. A 47-year-old male patient presented with a solitary, 2.2 cm-cutaneous mass in the right buttock region that had slowly increased in size for over one year. The dermal lesion was characterized by a mixture of mature adipocytes, spindle shaped cells and inconspicuous ropey collagen bundles in a mucinous background...
2016: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/27660549/rare-presentation-of-pseudomyxoma-retroperitonei-stretching-the-limits
#16
Roumina Hasan, Sandeep Kumar, Anuradha Ck Rao, Rajagopal Kadavigere
A 55-year-old woman presented with a mucopurulent sinusal discharge from the right supragluteal region, with symptoms over the previous five months. This abscess began as a slowly swelling growth, which eventually turned into a discharging sinus, and she was diagnosed with a gluteal abscess. The patient underwent incisional drainage, and intra-operatively, the sinus tract could be seen extending to the retroperitoneum. A subsequent CT scan and an MRI of the abdomen revealed a large heterogeneous retroperitoneal cystic mass on the right side of midline, extending inferiorly into the anterior thigh along the iliopsoas...
July 2016: Malaysian Journal of Medical Sciences: MJMS
https://www.readbyqxmd.com/read/27450934/solitary-cutaneous-focal-mucinosis-a-clinicopathological-study-of-11-cases-of-soft-fibroma-like-cutaneous-mucinous-lesions
#17
Kang-Ling Kuo, Li-Yu Lee, Tseng-Tong Kuo
Cutaneous mucinoses encompass a variety of cutaneous disorders. Cutaneous focal mucinosis (CFM) was originally described as an asymptomatic solitary lesion characterized by abundant focal cutaneous mucin deposits. However, multiple focal mucinous lesions associated with systemic diseases have also been designated as CFM. Our clinicopathological study of 11 cases of solitary lesions confirmed that CFM is a unique primary cutaneous mucinosis unrelated to mucinosis-associated systemic diseases. We suggest calling this group of CFM lesions "solitary CFM" to distinguish them from multiple CFM associated with mucinosis associated systemic diseases...
March 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/27424105/mucinous-adenocarcinoma-associated-with-chronic-suppurative-hidradenitis-report-of-a-case-and-review-of-the-literature
#18
Natalia Mukai, Lílian Vital Pinheiro, Maria de Lourdes Setsuko Ayrizono, Guilherme Cardinali Barreiro, Paulo Kharmandayan, Mariana Hanayo Akinaga, Adriano Mesquita Bento, Carlos Augusto Real Martinez, Rita Barbosa de Carvalho, Marc Ward, Cláudio Saddy Rodrigues Coy, Raquel Franco Leal
INTRODUCTION: Chronic suppurative hidradenitis (CSH) is a benign condition that can affect the perineal region and often leads to the formation of abscesses and fistulas. It is rare for CSH to undergo malignant degeneration into mucinous adenocarcinoma. PRESENTATION OF CASE: We report a case of a 55-year-old male patient with perineal CSH who suffered worsening long-term pain despite multiple surgical procedures to alleviate his symptoms. Pelvic magnetic resonance imaging (MRI) showed multiloculated cystic lesion on the left side wall of the distal rectum with gluteal extension...
2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/27241546/adult-variant-of-self-healing-cutaneous-mucinosis-in-a-patient-with-epilepsy
#19
Reza Yaghoobi, Arezou Bagherzade, Maryam Aliabdi, Parvin Kheradmand, Afshin Kazerouni, Amir Feily
A 52-year-old woman was admitted with a 3 weeks history of periorbital edema and lips swelling. She developed several subcutaneous firm erythematous papules and nodules on the face, scalp and two indurated plaques on the upper back and left forearm. These lesions grew rapidly. The patient had a positive history of epileptic seizures since childhood. General examination was normal. There was a mild pitting edema on her hands and feet. Laboratory data were within normal limits. Histopathological examination revealed a well circumscribed accumulation of mucin in the dermis...
January 2016: Acta Medica Indonesiana
https://www.readbyqxmd.com/read/27047930/wong-type-dermatomyositis-showing-porokeratosis-like-changes-columnar-dyskeratosis-a-case-report-and-review-of-the-literature
#20
Nicole Umanoff, Ari Fisher, J Andrew Carlson
BACKGROUND: Wong-type dermatomyositis (DM) exhibits simultaneous pityriasis rubra pilaris (PRP) features. CASE REPORT: A 50-year-old woman presented with a heliotrope rash, Gottron's papules, and a poikilodermic, erythematous rash in shawl distribution without evidence of muscle weakness. Despite topical corticosteroids, the eruption progressed 9 months later to include generalized hyperkeratotic follicular papules, islands of sparing, and atrophic macules with a collarette of scale suggestive of porokeratosis...
January 2015: Dermatopathology (Basel, Switzerland)
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