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https://www.readbyqxmd.com/read/28937439/langerhans-cell-histiocytosis-with-clinical-and-histologic-features-of-hidradenitis-suppurativa-brief-report-and-review
#1
Jessica E Kalen, Divya Shokeen, Mona Mislankar, Michael Wangia, Kiran Motaparthi
Langerhans cell histiocytosis (LCH) is an uncommon histiocytic disorder in adults. Clinically, this rare entity can mimic other dermatologic conditions, including hidradenitis suppurativa. A case of LCH is reported with clinical and histologic features of hidradenitis suppurativa, along with a review of these unusual findings. Clinical dermatologists and dermatopathologists benefit from awareness of this unique presentation, which may prompt earlier identification and diagnosis of adult patients with LCH.
September 11, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28932806/langerhans-cell-histiocytosis-limited-to-the-female-genital-tract-a-review-of-literature-with-three-additional-cases
#2
Rebekah Wieland, Jenna Flanagan, Elise Everett, Sharon Mount
•LCH of the female reproductive tract has four patterns of involvement.•A comprehensive literature review revealed 35 cases of pure genital LCH.•We report two new cases of pure LCH lesions of the vulva and one of the cervix.•Treatment of LCH varies and there is no standard for pure genital involvement.•Prognosis of LCH confined to the gynecologic tract appears to be favorable.
November 2017: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/28930107/cutaneous-rosai-dorfman-disease-with-linear-lesions-and-monoclonal-gammopathy
#3
Edward Bae, Paul White, Mary Brophy, Michael Lichtman, Michael S Krathen, Meera Mahalingam
Cutaneous Rosai-Dorfman disease (CRDD), a benign histiocytosis of unknown etiology, typically presents as a solitary or clusters of lesions. Although the histopathology is fairly distinctive, the laboratory abnormalities are not; past reports note elevated erythrocyte sedimentation rate, anemia, and polyclonal hyperglobulinemia. We describe a 61-year-old African American diabetic gentleman who presented with nodules in a linear distribution on the flank. Histopathologic examination of a biopsied nodule revealed a pandermal sheet-like infiltrate of plasma cells and histiocytes, some demonstrating elastophagocytosis and emperipolesis...
October 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28927957/clinical-course-of-the-bony-lesion-of-single-system-single-site-langerhans-cell-histiocytosis-is-appropriate-follow-up-sufficient-treatment
#4
Hiromi Sasaki, Satoshi Nagano, Hirofumi Shimada, Shunsuke Nakamura, Takao Setoguchi, Setsuro Komiya
BACKGROUND: Langerhans cell histiocytosis (LCH) is categorized into three types, which include single-system single-site (SS-s), single-system multiple-site (SS-m) and multisystem (MS). The most commonly affected site in LCH is bone, and the bony lesion of SS-s LCH has a good prognosis. The bony lesion of SS-s LCH has been thought to regress spontaneously. Although treatments such as curettage, direct injection of corticosteroids, and chemotherapy have been performed, regular follow-up is the first line of treatment for the bony lesion of SS-s LCH...
September 16, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28903440/evaluation-of-pituitary-uptake-incidentally-identified-on-18-f-fdg-pet-ct-scan
#5
Huijun Ju, Jinxin Zhou, Yu Pan, Jing Lv, Yifan Zhang
The clinical significance of pituitary uptake on routine whole body (18)F-fluorodeoxyglucose (FDG) positron emission tomography/computer tomography (PET/CT) is not completely characterized. We seek to assess the potential differential diagnosis/underlying etiology of pituitary FDG uptake incidentally identified on routine PET/CT scans. A total of 24,007 PET/CT whole body scans in recent 5 years were retrospectively reviewed. Patients with maximum standardized uptake value (SUVmax) > 4.1 in the pituitary glands were identified...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28880462/indeterminate-dendritic-cell-neoplasm-of-the-skin-a-2-case-report-and-review-of-the-literature
#6
Pedro Horna, Haipeng Shao, Afshan Idrees, L Frank Glass, Carlos A Torres-Cabala
Indeterminate dendritic cell neoplasm (IDCN) is an exceedingly rare and mostly cutaneous histiocytosis, frequently associated with other hematopoietic malignancies. We report 2 cases of multilesional cutaneous IDCN. A 55-year-old male with no associated malignancy and complete response to ultraviolet light therapy; and a 72-year-old male with chronic myelomonocytic leukemia (CMML). Both cases showed histiocytoid cytology, positivity for CD1a and no expression of Langerin or BRAF(V600E) . With our patients, the literature describes 79 cases of IDCNs, including 65 (82%) with only skin involvement, 7 cases (9%) with involvement of skin and a second site, 5 cases (6%) involving lymph nodes only, 1 splenic lesion and 1 systemic disease...
September 6, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28880370/langerhans-cell-histiocytosis-in-an-adult-female-presenting-with-widespread-confluent-crusted-papules-and-review-of-adult-cases-confined-to-skin
#7
Shiyu Zhang, Yuehua Liu
No abstract text is available yet for this article.
September 7, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28877978/how-i-manage-pulmonary-langerhans-cell-histiocytosis
#8
Gwenaël Lorillon, Abdellatif Tazi
Pulmonary Langerhans cell histiocytosis (PLCH) is a rare sporadic cystic lung disease of unknown aetiology that is characterised by the infiltration and destruction of the wall of distal bronchioles by CD1a(+) Langerhans-like cells. In adults, PLCH is frequently isolated and affects young smokers of both sexes. Recent multicentre studies have led to the more standardised management of patients in clinical practice. Smoking cessation is essential and is occasionally the only suitable intervention. Serial lung function testing is important because a significant proportion of patients may experience an early decline in forced expiratory volume in 1 s and develop airflow obstruction...
September 30, 2017: European Respiratory Review: An Official Journal of the European Respiratory Society
https://www.readbyqxmd.com/read/28877073/erg1-immunohistochemistry-relevance-for-lymph-node-histiocytosis
#9
Adriana Handra-Luca
No abstract text is available yet for this article.
September 4, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28871936/xanthoma-like-skin-changes-in-an-elderly-woman-with-a-normal-lipid-profile
#10
Piotr Nockowski, Zdzisław Woźniak, Adam Reich, Joanna Maj
Dear Editor, An 83-year-old woman developed yellow-brownish infiltrates, nodules, and tumors mimicking xanthomas, mostly involving the periorbital and chest area within three months (Figure 1). She had no abnormalities in serum cholesterol or triglycerides levels. A detailed laboratory analysis revealed the presence of mild monoclonal gammopathy with a presence of immunoglobulin G (IgG) kappa light chains; however, according to hematologist consultation, it did not require medical intervention. Imaging assessment and ultrasound examination did not show any specific involvement of internal organs...
July 2017: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/28868307/atlanto-axial-langerhans-cell-histiocytosis-in-a-child-presented-as-torticollis
#11
Miniar Tfifha, Mehdi Gaha, Nadia Mama, Mohamed Taher Yacoubi, Saoussen Abroug, Hela Jemni
Langerhans cell histiocytosis (LCH) is a rare condition mostly seen in children and adolescents. Eosinophilic granuloma (EG) is one of its three clinical entities and is considered as a benign osteolytic lesion. Many reports of patients with spine histiocytosis are well documented in the literature but it is not the case of atlantoaxial localization. We report here a new observation of atlantoaxial LCH in a 4-year-old boy revealed by persistent torticollis. He was successfully treated with systemic chemotherapy and surgery...
August 16, 2017: World Journal of Clinical Cases
https://www.readbyqxmd.com/read/28868020/erdheim-chester-disease-the-importance-of-information-integration
#12
Anna Nikonova, Khashayar Esfahani, Guillaume Chausse, Stephan Probst, Tina Petrogiannis-Haliotis, Hans Knecht, Genevieve Gyger
BACKGROUND: Erdheim-Chester disease (ECD) is a rare non-Langerhans cell histiocytosis disorder that utilizes the RAS-RAF-MEK-ERK pathway. It has a highly variable clinical presentation, where virtually any organ can be involved, thus having the potential of posing a great diagnostic challenge. Over half of the reported cases have the BRAF V600E mutation and have shown a remarkable response to vemurafenib. CASE PRESENTATION: We describe herein a patient with a history of stroke-like symptoms and retroperitoneal fibrosis that on initial pathology raised the possibility of IgG4-related disease...
May 2017: Case Reports in Oncology
https://www.readbyqxmd.com/read/28864216/langerhans-cell-histiocytosis-mimicking-periapical-pathology-in-a-39-year-old-man
#13
Scott M Peters, Julie Pastagia, Angela J Yoon, Elizabeth M Philipone
Langerhans cell histiocytosis (LCH) is a clonal neoplastic proliferation of Langerhans-type dendritic cells, with more than 50% of cases of LCH seen in children younger than 15 years of age. The most common clinical presentation of LCH is solitary or multiple bony lesions. The jaws are affected in approximately 10%-20% of cases, with a strong predilection for the mandible. The maxilla is involved in only 1% of head and neck cases. When the jaws are involved, lesions of LCH may mimic periapical pathology as seen in patients requiring endodontic therapy or bone loss as seen in periodontal disease...
August 29, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28859038/refractory-lch-with-secondary-intracranial-pnet-a-case-report-and-review-of-literature
#14
Varsha Chayapathi, Amita Mahajan, Manas Kalra
The occurrence of second malignant neoplasms in patients with Langerhans cell histiocytosis is infrequent but has been reported. Here we report the case of a child with refractory Langerhans cell histiocytosis who was treated with cladribine and later developed a secondary intracranial primitive neuroectodermal tumor. The possible association of cladribine with second neoplasm is further discussed.
August 30, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28858125/langerhans-cell-histiocytosis-of-the-thyroid-complicated-by-papillary-thyroid-carcinoma-a-case-report-and-brief-literature-review
#15
REVIEW
Xin Wu, Shi Chen, Li-Yang Zhang, Ya-Ping Luo, Ying Jiang, Rui-E Feng
RATIONALE: Langerhans cell histiocytosis (LCH) involves mainly the skin and bone and rarely the thyroid. Meanwhile, papillary thyroid carcinoma (PTC) is the most common subtype of thyroid cancer. Both LCH and PTC could make the thyroid enlarged and hypermetabolic. The coincidence of these 2 events in a patient is rare, and this paper aimed to report such case. PATIENT CONCERNS: A 40-year-old man presented with polyuria and polydipsia for 5 years. The symptoms had been relieved well by drug therapy for >4 years, until the drugs could not control the symptoms anymore and an extensively enlarged thyroid gland was noticed...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28836893/systemic-juvenile-xanthogranuloma-involving-the-bone-marrow-multiple-bones-and-the-skin-that-developed-during-treatment-of-acute-lymphoblastic-leukemia-in-remission-state
#16
Eunjae Cheon, Saemi Yang, Jae Ho Han, Kwang Chul Lee, Jun Eun Park
Juvenile xanthogranuloma (JXG) is a rare benign disorder classified as non-Langerhans cell histiocytosis, with unclear etiology and pathogenesis. JXG is generally characterized by solitary or multiple cutaneous nodules that resolve spontaneously over a few years. JXG rarely presents as extracutaneous lesions that progress to a symptomatic systemic disorder through multiple organ involvement. We encountered a systemic JXG case involving the bone marrow, multiple bones, and the skin during acute lymphoblastic leukemia treatment...
January 1, 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28834636/intraosseous-rosai-dorfman-disease-diagnosed-by-touch-imprint-cytology-evaluation-a-case-series
#17
Avani A Pendse, Sara E Wobker, Kevin G Greene, Scott V Smith, Robert J Esther, Leslie G Dodd
Sinus histiocytosis with massive lymphadenopathy, also known as Rosai-Dorfman disease (RDD) is a rare benign disorder that primarily affects the lymph nodes. Localized lymphadenopathy is the most common clinical manifestation of this disorder. However, RDD has been described in several extra-nodal sites including the head and neck region, soft tissue, skin, upper respiratory tract, gastro-intestinal tract and central nervous system (CNS). Involvement of the bone is considered very rare, occurring in less than 10% patients...
August 23, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28825606/cutaneous-indeterminate-cell-histiocytosis-of-donor-origin-after-allogeneic-hematopoietic-stem-cell-transplantation
#18
Angel Santos-Briz, Concepción Román, Rocío Corral, Alvaro de Dios, Lourdes Vázquez, María D Ludeña
Allogeneic hematopoietic stem-cell transplantation and solid-organ transplantation are associated with an increased risk of secondary neoplasms. Indeterminate cell histiocytosis (ICH) is a rare disease composed of so-called indeterminate cells, an alleged cutaneous dendritic cell subset displaying histological and some ultrastructural and immunophenotypic features of Langerhans cells but lacking Birbeck granules. We report a case of cutaneous ICH occurring after allogeneic hematopoietic stem-cell transplantation for a myelodysplastic syndrome in a 56-year-old man...
September 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28802389/cholesteatoma-as-a-complication-of-langerhans-cell-histiocytosis-of-the-temporal-bone-a-nationwide-cross-sectional-analysis
#19
Jonathan C Simmonds, Mark Vecchiotti
OBJECTIVE: To determine if patients with Langerhans Cell Histiocytosis (LCH) of the temporal bone have a higher risk of developing cholesteatoma. METHODS: Review of literature and cross-sectional weighted analysis of patients under 19 with a diagnosis of LCH from the National Inpatient Sample (NIS) and Kids' Inpatient Database (KID) from 2000 to 2013. ICD-9 codes and demographics were analyzed; pairwise comparisons and multivariate analyses were performed. RESULTS: Only seven cases of cholesteatoma after the treatment for LCH of the temporal bone have been documented in the literature...
September 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28798943/a-fatal-case-of-erdheim-chester-disease-with-hepatic-involvement
#20
Gokulakrishnan Balasubramanian, Alexandra Modiri, Marina Affi, Catherine E Hagen, Bjorn Batdorf, Kiyoko Oshima, Laura Michaelis, Kia Saeian
Erdheim-Chester disease (ECD) is a rare form of systemic histiocytosis, typically presenting with striking osseous involvement characterized by bilateral osteosclerosis and involvement of organs such as the lung, pituitary gland, heart, and brain. Liver involvement with ECD is extremely uncommon. We report a 56-year-old woman presenting with newly diagnosed cirrhosis and signs concerning for intra-abdominal malignancy, including omental caking and peritoneal thickening. Liver biopsy demonstrated xanthogranulomatous infiltration from ECD...
2017: ACG Case Reports Journal
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