scholarly journals PATH-36. SYNCHRONOUS TTF-1-POSITIVE TUMORS AND PITUITARY ADENOMAS. ARE WE SENDING INSUFFICIENT TUMOR TISSUE FOR PATHOLOGY?

2020 ◽  
Vol 22 (Supplement_2) ◽  
pp. ii172-ii172
Author(s):  
Franco Rubino ◽  
Daniel Eichberg ◽  
Ashish shah ◽  
Evan Luther ◽  
Victor Lu ◽  
...  
Keyword(s):  
Pituitary Adenoma ◽  
Pituitary Tumor ◽  
Cushing Syndrome ◽  
Case Reports ◽  
Case Series ◽  
Pituitary Tumors ◽  
World Health ◽  
Low Grade ◽  
Posterior Pituitary ◽  
Female Ratio

Abstract BACKGROUND Tumors of the posterior pituitary are a distinct group of low-grade neoplasms arising from the sellar region. According to the most recent World Health Organization (WHO) guidelines, these tumors are grouped based on TTF-1 immunostain positivity. The coexistence of a posterior and anterior pituitary tumors is statistically extremely unlikely. OBJECTIVE In this study, we present a case of a 41-year-old woman suffering from Cushing syndrome with the presence of two pituitary masses on MRI. Also, the relevant literature is systematically reviewed. METHODS Two databases (PubMed and Google Scholar) and crossed references were systematically reviewed for TTF-1 pituitary tumors with coexisting pituitary adenoma or increased pituitary serum hormone levels. A literature review was performed according to PRISMA guidelines. Also, one patient from our institution is reported. Data regarding demographic features, type of anterior and posterior pituitary tumor, clinical features of the patients and lab results, MRI findings, and pathology results were extracted. RESULTS Seventeen retrospective case reports and case series were identified and included. Twenty-four patients were analyzed (including the reported case). The mean age was 46 ± 16 years, with a male-to-female ratio of 0.33:1. Pituicytomas and granular cell tumors were the only posterior pituitary tumors reported in 19 (79%) and 5 (21%) cases, respectively. There are only eight cases reported (including our patient) with a confirmed pituitary adenoma and a TTF-1 pituitary tumor (one GCT with GH-secreting adenoma, five pituicytoma with ACTH-secreting adenoma, one with GH-secreting adenoma and one with a null type adenoma). CONCLUSION We presented the eighth reported case of a TTF-1 pituitary tumor coexisting with a pituitary adenoma. We think that improving the amount of the tissue specimen available for pathology evaluation could increase the incidence of these very rare tumors.

scholarly journals Neuroendocrine Neoplasms of the Breast: The Latest WHO Classification and Review of the Literature

Cancers ◽  
2021 ◽  
Vol 14 (1) ◽  
pp. 196
Author(s):  
Yukinori Ozaki ◽  
Sakiko Miura ◽  
Ryosuke Oki ◽  
Teppei Morikawa ◽  
Keita Uchino
Keyword(s):  
Who Classification ◽  
Case Reports ◽  
Treatment Options ◽  
Case Series ◽  
Breast Tumors ◽  
World Health ◽  
Neuroendocrine Neoplasms ◽  
Low Grade ◽  
Review Of The Literature ◽  
Retrospective Case

Breast tumors with neuroendocrine (NE) differentiation comprise an uncommon and heterogeneous group of tumors, including invasive breast cancer of no special type (IBC-NST) with NE features, neuroendocrine tumors (NETs), and neuroendocrine carcinoma (NEC). The most recent World Health Organization (WHO) classification in 2019 defined neuroendocrine neoplasms (NENs) of the breast (Br-NENs) as tumors in which >90% of cells show histological evidence of NE differentiation, including NETs (low-grade tumors) and NEC (high-grade). Due to the low prevalence of these tumors and successive changes in their diagnostic criteria over the years, only limited evidence of these tumors exists, derived mainly from case reports and retrospective case series. Breast tumors with NE differentiation are usually treated like the more commonly occurring IBC-NSTs. Immunohistochemistry (IHC) of breast tumors with NE differentiation usually shows a hormone receptor (HR)-positive and human epidermal growth factor type 2 (HER2)-negative profile, so that hormonal therapy with cyclin-dependent kinase (CDK)4/6 inhibitors or other targeted agents would be reasonable treatment options. Herein, we present a review of the literature on breast tumors with NE differentiation as defined in the latest WHO 2019 classification, and discuss the clinical management of these tumors.

Is SARS-CoV-2 transmitted by asymptomatic and pre-symptomatic infected individuals?

2021 ◽  
Vol 54 ◽  
Author(s):  
Abigail F. Melicor ◽  
Katrina Loren R. Rey ◽  
Leonila F. Dans
Keyword(s):  
Case Reports ◽  
Case Series ◽  
The Philippines ◽  
World Health ◽  
Current Evidence ◽  
Wide Confidence Interval ◽  
Cross Sectional ◽  
Viral Shedding ◽  
Asymptomatic Patients ◽  
Health Organization

KEY FINDINGSAsymptomatic and pre-symptomatic transmission of SARS-CoV-2 may occur.• Manifestations of COVID-19 are highly varied and may include asymptomatic cases, who do not manifest with anysigns and symptoms despite testing positive for COVID-19 by viral nucleic acid tests. Pre-symptomatic cases areinfected individuals who are still in their incubation period, hence do not exhibit any symptoms yet but eventuallydevelop symptoms.• As of June 2020, only 586 (2.8%) of the 20,990 active cases in the Philippines were classified as asymptomatic,but it is unclear whether cases are pre-symptomatic or carriers (true asymptomatic).• Based on 36 observational studies (case reports, case series, cross-sectional and cohort studies) and 9 statisticalmodeling analysis, asymptomatic and pre-symptomatic transmission of SARS-CoV-2 may occur. However, 3studies reported no transmission from pre-symptomatic and asymptomatic cases.• Studies on viral load comparing symptomatic cases with pre-symptomatic and asymptomatic cases reportedcontradicting results. The duration of viral shedding was significantly longer for symptomatic patients comparedto asymptomatic patients but similar for asymptomatic and pre-symptomatic patients.• Therewas no difference in the transmission rates of symptomatic and asymptomatic cases. However,the estimatedinfectivity and probability of transmission was higherfor symptomatic cases compared to asymptomatic cases, butresults were imprecise due to a wide confidence interval.• The World Health Organization (WHO) and Centers for Disease Control and Prevention (CDC) recognize thepossibility of pre-symptomatic and asymptomatic transmission. According to WHO, current evidence suggestsasymptomatic cases are less likely to transmit the virus than symptomatic cases.

Adult Hemophagocytic Lymphohistiocytosis: Clinical Presentation and Follow-Up in a Consecutive Series of Ten Patients.

Blood ◽  
2006 ◽  
Vol 108 (11) ◽  
pp. 3845-3845
Author(s):  
Keisuke Shirai ◽  
Alberto Montero ◽  
Jesse Powell ◽  
Lydia Christiansen ◽  
John Lazarchick
Keyword(s):  
Hemophagocytic Lymphohistiocytosis ◽  
Case Reports ◽  
Case Series ◽  
Hematologic Malignancies ◽  
Neurological Involvement ◽  
Consecutive Series ◽  
Female Ratio ◽  
Etoposide Treatment ◽  
Male Female Ratio ◽  
Underlying Causes

Abstract Hemophagocytic Lymphohistiocytosis (HLH) is very rare in adults but can be fatal without treatment. Reports in adults are limited to case reports and very small case series. Clinically it is characterized by fever, hepatosplenomegaly, lymphadenopathy, severe cytopenias, hepatic dysfunction, coagulopathy, as well as neurological involvement. This syndrome is associated with diverse processes including: infection, rheumatologic, and hematologic malignancies. Presently, the underlying cause of HLH is unknown. We present a cosecutive series of 10 adults with HLH diagnosed at our institution between 2004–2006. All diagnoses were confirmed by pathology. The median age was 59 years (range: 18–73 years), and a male: female ratio of 4:1. All patients uniformly presented with fever. Half of the patients presented with evidence of hepatomegaly or splenomegaly. The most predominant laboratory abnormalities included: leukopenia or thrombocytopenia (100%), and elevation of liver enzymes (50%). EBV IgG was positive in 8 of 10 patients. The underline illnesses associated with HLH were diverse. The underlying causes were as follows; acute leukemia (n=2), infection (n=2), rheumatologic (n=2), post transplant (n=2) sickle cell disease (n=2), unknown (n=2). Mortality rate was 60% with a median survival time since diagnosis of 58 days. One patient is still on maintenance cyclosporin after etoposide treatment. One patient is on steroid and cytoxan. One patient recovered just with supportive care. In conclusion, due to the high morality rate associated with HLH, early treatment with immunosuppressant is warranted and attempts to identify underlying cause.

Immunochistochemical characteristics of blood vessels in non-visualized and visualized on MRI pituitary adenoma in patients with Cushing’s disease

2016 ◽  
Vol 62 (5) ◽  
pp. 65-66
Author(s):  
Patimat M. Khandaeva ◽  
Iya A. Voronkova ◽  
Zhanna E. Belaya ◽  
Lyudmila Y. Rozhinskaya ◽  
Aleksandr V. Vorontsov ◽  
...  
Keyword(s):  
Pituitary Adenoma ◽  
Blood Vessels ◽  
Cushing’S Disease ◽  
Pituitary Tumor ◽  
Pituitary Tumors ◽  
Average Diameter ◽  
Cushing's Disease ◽  
Retrospective Evaluation ◽  
Acth Secreting ◽  
Microvessels Density

Backgraund. Regardless of improvements in MRI, up to 20% of ACTH-secreting pituitary tumors are only identified at surgical exploration.Aim: to estimate whether there is any difference in blood vessels and the subsequent ability to uptake contrast agent in visualized microadenoma as compared to non-visualized on MRI ACTH-secreting pituitary tumors.Materials and methods. retrospective evaluation of ACTH-positive pituitary tumors from patients with Cushing’s disease (n=39) with either non-visualized pituitary tumor on MRI (n=17) or pituitary tumor less then 25 mm (n=22). MRI was performed using Siemens Magnetom Harmony 1.0T with gadolinium. Selected tumors were stained with anty-СD34 antibody (clone QBEnd/10, RTU, Leica) and anty-D2-40 antibody (clone D2-40, RTU, Dako). We evaluated the microvessels density and measured the diameter of larger and smaller vessel.Results. The microvessels density were not different in subject with visualized (123 [77;136]) and non-visualized (112 [110,0;126,5]) pituitary adenomas as well as number of slit-shaped vessels (32 [5;50] in visualized vs 25 [5;50] in non-visualized pituitary adenoma). The diameter of these vessels also did not differ: the diameter of the largest vessels in patients without visualization 53 µm [32,5;63,5] vs 33 µm [30,0;51,5], the average diameter of the blood vessels 15 µm [14,5-26,0] against 13 µm [12;14].Conclusions. The diameter and microvessels density in ACTH-producing pituitary adenoma does not affect the visualization of adenoma on MRI in patients with Cushing 's disease.

scholarly journals Acute Renal Failure in a Patient with Rivaroxaban-Induced Hypersensitivity Syndrome: A Case Report with a Review of the Literature and of Pharmacovigilance Registries

2020 ◽  
Vol 2020 ◽  
pp. 1-6
Author(s):  
Gisela Marcelino ◽  
Ould Maouloud Hemett ◽  
Eric Descombes
Keyword(s):  
Renal Failure ◽  
Acute Renal Failure ◽  
Adverse Events ◽  
Case Reports ◽  
Vitamin K Antagonists ◽  
Clinical Manifestations ◽  
Hypersensitivity Syndrome ◽  
World Health ◽  
Low Grade ◽  
Review Of The Literature

Direct oral anticoagulants (DOACs) are among the most commonly prescribed medications, and DOAC-associated kidney dysfunction may be a problem that is underrecognized by clinicians. We report on the case of an 82-year-old patient who, two weeks after the prescription of rivaroxaban for atrial fibrillation, was hospitalized for a drug-induced hypersensitivity syndrome whose main clinical manifestations were low-grade fever with a petechial rash in the legs and acute renal failure (ARF). Within one week after rivaroxaban withdrawal, the patient’s clinical condition improved and the renal function normalized. In a review of the literature, we only found five case reports of rivaroxaban-related ARF: two patients had tubulo-interstitial nephritis (TIN), two had anticoagulant-related nephropathy (ARN), and the last one had IgA nephropathy. As some recent publications suggest that kidney injury due to anticoagulation drugs may be largely underdiagnosed, we also analyzed the data from the VigiAccess database, the World Health Organization pharmacovigilance program that collects drug-related adverse events from 134 national registries worldwide. Among all the rivaroxaban-associated adverse events reported in VigiAccess since 2006, 4,323 (3.5%) were renal side effects, of which 2,351 (54.3%) were due to unspecified ARF, 363 (8.4%) were due to renal hemorrhage (characteristically associated with ARN), and 24 (0.6%) were due to TIN. We also compared these results with those reported in VigiAccess for other DOACs and vitamin K antagonists. This analysis suggests that the frequency of renal adverse events associated with rivaroxaban and other DOACs may be appreciably higher than what one might currently consider based only on the small number of fully published cases.

Immunochistochemical characteristics of blood vessels in non-visualized and visualized on MRI pituitary adenoma in patients with Cushing’s disease

2016 ◽  
Vol 62 (4) ◽  
pp. 11-17
Author(s):  
Patimat M. Khandaeva ◽  
Ija А. Voronkova ◽  
Zhanna E. Belaya ◽  
Ljudmila Ya. Rozhinskaya ◽  
Aleksandr V. Vorontsov ◽  
...  
Keyword(s):  
Pituitary Adenoma ◽  
Blood Vessels ◽  
Cushing’S Disease ◽  
Pituitary Tumor ◽  
Pituitary Tumors ◽  
Average Diameter ◽  
Cushing's Disease ◽  
Retrospective Evaluation ◽  
Acth Secreting ◽  
Microvessels Density

Background. Regardless of improvements in MRI, up to 20% of ACTH-secreting pituitary tumors are only identified at surgical exploration. Aim. Тo estimate whether there is any difference in blood vessels and the subsequent ability to uptake contrast agent in visualized microadenoma as compared to non-visualized on MRI ACTH-secreting pituitary tumors.Material and methods. Retrospective evaluation of ACTH-positive pituitary tumors from patients with Cushing’s disease (n=39) with either non-visualized pituitary tumor on MRI (n=17) or pituitary tumor less then 25 mm (n=22). MRI was performed using Siemens Magnetom Harmony 1.0T with gadolinium. Selected tumors were stained with anty-СD34 antibody (clone QBEnd/10, RTU, Leica) and anty-D2-40 antibody (clone D2-40, RTU, Dako). We evaluated the microvessels density and measured the diameter of larger and smaller vessel.Results. The microvessels density were not different in subject with visualized [123 (77; 136)] and non-visualized [112 (110,0; 126,5)] pituitary adenomas as well as number of slit-shaped vessels [32 (5; 50) in visualized vs 25 (5; 50) in non-visualized pituitary adenoma]. The diameter of these vessels also did not differ: the diameter of the largest vessels in patients without visualization 53 µm (32,5; 63,5) vs 33 µm (30,0; 51,5) the average diameter of the blood vessels 15 µm (14,5—26,0) against 13 µm (12; 14).Conclusions. The diameter and microvessels density in ACTH-producing pituitary adenoma does not affect the visualization of adenoma on MRI in patients with Cushing ‘s disease.

scholarly journals Bilateral Adrenalectomy in Congenital Adrenal Hyperplasia: A Systematic Review and Meta-Analysis

2018 ◽  
Vol 103 (5) ◽  
pp. 1767-1778 ◽  
Author(s):  
Diana MacKay ◽  
Anna Nordenström ◽  
Henrik Falhammar
Keyword(s):  
Congenital Adrenal Hyperplasia ◽  
Cushing Syndrome ◽  
Case Reports ◽  
Therapeutic Option ◽  
Meta Analysis ◽  
Case Series ◽  
Adverse Outcomes ◽  
Bilateral Adrenalectomy ◽  
Adrenal Hyperplasia

Abstract Context Management of congenital adrenal hyperplasia (CAH) involves suppression of the hypothalamic–pituitary–adrenal axis using supraphysiological doses of exogenous glucocorticoids. This can pose a challenge, with Cushing syndrome a frequent complication of adequate suppression. Bilateral adrenalectomy, with subsequent replacement of glucocorticoids and mineralocorticoids at physiological doses, has been proposed as an alternative therapeutic strategy. Objective To review the outcomes after bilateral adrenalectomy for CAH. Data Sources A systematic search of PubMed/MEDLINE and Web of Science, identifying relevant reports published up to 10 January 2018. Study Selection Case reports or case series were included if they reported individual patient data from patients with CAH who had undergone bilateral adrenalectomy. Data Extraction Information regarding the following was extracted: first author, country, sex, age at adrenalectomy, year of adrenalectomy, diagnosis, molecular abnormality, pre- and postoperative biochemistry, pre- and postoperative medications, pre- and postoperative body mass index, indication for adrenalectomy, surgical technique, gross and microscopic adrenal characteristics, follow-up duration, and short- and long-term postoperative outcomes. Data Synthesis We identified 48 cases of bilateral adrenalectomy for CAH, with patients aged from 4 months to 56 years at surgery. The most common indication for surgery was the inability to control hyperandrogenism/virilization and/or Cushing syndrome (n = 30; 62%). Most patients (n = 34; 71%) reported symptomatic improvement postoperatively, with some cases of short-term (n = 5; 10%) and long-term (n = 13; 27%) adverse outcomes. Conclusions Bilateral adrenalectomy for CAH appears to be a reasonable therapeutic option for carefully selected patients who have had unsatisfactory outcomes with conventional medical management.

scholarly journals Intracranial solitary fibrous tumors/hemangiopericytomas: first report of malignant progression

2018 ◽  
Vol 128 (6) ◽  
pp. 1719-1724 ◽  
Author(s):  
Caroline Apra ◽  
Karima Mokhtari ◽  
Philippe Cornu ◽  
Matthieu Peyre ◽  
Michel Kalamarides
Keyword(s):  
Case Series ◽  
Malignant Progression ◽  
World Health ◽  
Low Grade ◽  
Lower Grade ◽  
First Report ◽  
Solitary Fibrous Tumors ◽  
Initial Surgery ◽  
Grade Ii ◽  
Grade Iii

OBJECTIVEMeningeal solitary fibrous tumors/hemangiopericytomas (MSFTs/HPCs) are rare intracranial tumors resembling meningiomas. Their classification was redefined in 2016 by the World Health Organization (WHO) as benign Grade I fibrohyaline type, intermediate Grade II hypercellular type, and malignant highly mitotic Grade III. This grouping is based on common histological features and identification of a common NAB2-STAT6 fusion.METHODSThe authors retrospectively identified 49 cases of MSFT/HPC. Clinical data were obtained from the medical records, and all cases were analyzed according to this new 2016 WHO grading classification in order to identify malignant transformations.RESULTSRecurrent surgery was performed in 18 (37%) of 49 patients. Malignant progression was identified in 5 (28%) of these 18 cases, with 3 Grade I and 2 Grade II tumors progressing to Grade III, 3–13 years after the initial surgery. Of 31 Grade III tumors treated in this case series, 16% (5/31) were proved to be malignant progressions from lower-grade tumors.CONCLUSIONSLow-grade MSFTs/HPCs can transform into higher grades as shown in this first report of such progression. This is a decisive argument in favor of a common identity for MSFT and meningeal HPC. High-grade MSFTs/HPCs tend to recur more often and be associated with reduced overall survival. Malignant progression could be one mechanism explaining some recurrences or metastases, and justifying long-term follow-up, even for patients with Grade I tumors.

scholarly journals Giant Lipomas of the Hand. Our Experience

2020 ◽  
Vol 48 (02) ◽  
pp. 72-78
Author(s):  
Patricia Balvís-Balvís ◽  
Javier Yañez-Calvo ◽  
Manuel Castro-Menéndez ◽  
María José Ferreirós-Conde
Keyword(s):  
Slow Growth ◽  
Case Reports ◽  
Case Series ◽  
Surgical Excision ◽  
Functional Results ◽  
Clinical Feature ◽  
Benign Tumors ◽  
Low Grade ◽  
Complete Excision ◽  
Large Size

Abstract Objective Giant lipomas are benign tumors larger than 5 cm in size that are very uncommun in the hand, with the extant literature limited to case reports and small case series. The aim of the present study is to describe our experience with giant lipomas at the level of the hand, reviewing the most important aspects in relation to their diagnosis and treatment. Material and Methods We present 6 patients treated in our service with giant lipomas of the hand between 2007 and 2015. Four cases only presented difficulty in grasping and mobilizing the hand due to the large size of the lipoma. Two cases were accompanied by a clinical feature of compression of the median nerve in relation to its location within the carpal tunnel. Results All patients underwent surgery, and a complete excision of the lipoma was performed. The functional results have been satisfactory in all cases. Conclusions Giant lipomas of the hand are infrequent tumors of slow growth, generally asymptomatic, although they can cause a compressive pathology due to the great size that they reach. Magnetic resonance imaging is an especially useful test to locate and accurately determine the size of the lesion in view of its surgical excision. After surgery, it is important to make a differential diagnosis with low-grade liposarcomas through an anatomopathological study, since both, macroscopically, have similar characteristics.

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