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BACKGROUND: This study aimed to determine whether implementing a rapid response system (RRS) is associated with improved short-term outcomes in critically ill patients with haematological malignancies. METHODS: Our monocentric pre- versus post-intervention study was conducted between January 2012 and April 2020. RRS was activated at early signs of haemodynamic or respiratory failure. The primary outcome was the reduction in Sequential Organ Failure Assessment (SOFA) score on Day 3 after intensive care unit (ICU) admission. Secondary outcomes included time to ICU admission and mortality. RESULTS: A total of 209 patients with a median age of 59 years were enrolled (108 in the pre-intervention period and 101 in the post-intervention period). 22% of them had received an allogeneic transplant. The post-intervention period was associated with a shorter time to ICU admission (195 vs. 390 min, p < .001), a more frequent favourable trend in SOFA score (57% vs. 42%, adjusted odds ratio, 2.02, 95% confidence interval, 1.09 to 3.76), no significant changes in ICU (22% vs. 26%, p = .48) and 1-year (62% vs. 58%, p = .62) mortality rates. CONCLUSION: Detection of early organ failure and activation of an RRS was associated with faster ICU admission and lower SOFA scores on Day 3 of admission in critically ill patients with haematological malignancies.
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Estado Terminal , Neoplasias Hematológicas , Unidades de Terapia Intensiva , Escores de Disfunção Orgânica , Humanos , Neoplasias Hematológicas/terapia , Neoplasias Hematológicas/mortalidade , Neoplasias Hematológicas/diagnóstico , Pessoa de Meia-Idade , Masculino , Feminino , Idoso , Adulto , Equipe de Respostas Rápidas de HospitaisRESUMO
BACKGROUND: Efficient ventilation is important during cardiopulmonary resuscitation (CPR). Nevertheless, there is insufficient knowledge on how the patient's position affects ventilatory parameters during mechanically assisted CPR. We studied ventilatory parameters at different positive end-expiratory pressure (PEEP) levels and when using an inspiratory impedance valve (ITD) during horizontal and head-up CPR (HUP-CPR). METHODS: In this human cadaver experimental study, we measured tidal volume (VT) and pressure during CPR at different randomized PEEP levels (0, 5 or 10 cmH2O) or with an ITD. CPR was performed, in the following order: horizontal (FLAT), at 18° and then at 35° head-thorax elevation. During the inspiratory phase we measured the net tidal volume (VT) adjusted to predicted body weight (VTPBW), reversed airflow (RAF), and maximum and minimum airway pressure (Pmax and Pmin). RESULTS: Using ten thawed fresh-frozen cadavers we analyzed the inspiratory phase of 1843 respiratory cycles, 229 without CPR and 1614 with CPR. In a mixed linear model, thoracic position and PEEP significantly impacted VTPBW (p < 0.001 for each), and the insufflation time, thoracic position and PEEP significantly affected the RAF (p < 0.001 for each) and Pmax (p < 0.001). For Pmin, only PEEP was significant (p < 0.001). In subgroup analysis, at 35° VTPBW and Pmax were significantly reduced compared with the flat or 18° position. CONCLUSION: When using mechanical ventilation during CPR, it seems that the PEEP level and patient position are important determinants of respiratory parameters. Moreover, tidal volume seems to be lower when the thorax is positioned at 35°.
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Reanimação Cardiopulmonar , Respiração Artificial , Humanos , Respiração com Pressão Positiva , Pulmão , Volume de Ventilação Pulmonar , TóraxRESUMO
When a lung cancer patient develops an organ failure, the intensity of the care should be decided taking into account patient's wishes and his plan of carekeeping, in mind that the objective of an intensive care unit (ICU) admission is to allow the patient to be discharged from ICU and hospital with an acceptable quality of life. But the physician in charge of the patient at the time of acute disease often does not have these information. It is therefore essential that the referring oncologist had an early discussion with the patient to inform him and collect his opinion. These information have to be noted in the patient's medical chart. The prognostic criteria of lung cancer patients admitted in ICU are related to the patient's characteristics, the cancer's characteristics and the severity of acute disease. In order that a decision of ICU admission is in accordance with the patient's therapeutic project, a close discussion between the oncologist and the intensivist is essential, especially in this period of SARS-CoV2 pandemy.© 2021 SPLF. Published by Elsevier Masson SAS. All rights reserved.
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Sarampo/complicações , Pneumonia Viral/virologia , Guias de Prática Clínica como Assunto , Vacinação/métodos , Adulto , Humanos , Esquemas de Imunização , Hospedeiro Imunocomprometido , Masculino , Sarampo/diagnóstico , Sarampo/prevenção & controle , Pneumonia Viral/diagnóstico , Reação em Cadeia da Polimerase/métodosRESUMO
BACKGROUND: No recommendation exists about the timing and setting for tracheal intubation and mechanical ventilation in septic shock. PATIENTS AND METHODS: This prospective multicenter observational study was conducted in 30 ICUs in France and Spain. All consecutive patients presenting with septic shock were eligible. The use of tracheal intubation was described across the participating ICUs. A multivariate analysis was performed to identify parameters associated with early intubation (before H8 following vasopressor onset). RESULTS: Eight hundred and fifty-nine patients were enrolled. Two hundred and nine patients were intubated early (24%, range 4.5-47%), across the 18 centers with at least 20 patients included. The cumulative intubation rate during the ICU stay was 324/859 (38%, range 14-65%). In the multivariate analysis, seven parameters were significantly associated with early intubation and ranked as follows by decreasing weight: Glasgow score, center effect, use of accessory respiratory muscles, lactate level, vasopressor dose, pH and inability to clear tracheal secretions. Global R-square of the model was only 60% indicating that 40% of the variability of the intubation process was related to other parameters than those entered in this analysis. CONCLUSION: Neurological, respiratory and hemodynamic parameters only partially explained the use of tracheal intubation in septic shock patients. Center effect was important. Finally, a vast part of the variability of intubation remained unexplained by patient characteristics. Trial registration Clinical trials NCT02780466, registered on May 23, 2016. https://clinicaltrials.gov/ct2/show/NCT02780466?term=intubatic&draw=2&rank=1.
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Patients with moderate to severe acute respiratory distress syndrome (ARDS) benefit from prone positioning. Although the accuracy of esophageal pressure (Pes) to estimate regional pleural pressure (Ppl) has previously been assessed in the supine position, such data are not available in the prone position in ARDS. In six anesthetized, paralyzed, and mechanically ventilated female pigs, we measured Pes and Ppl into dorsal and ventral parts of the right pleural cavity. Airway pressure (Paw) and flow were measured at the airway opening. Severe ARDS [arterial partial pressure of oxygen ([Formula: see text])/fraction of inspired oxygen ([Formula: see text]) < 100 mmHg at positive end-expiratory pressure (PEEP) of 5 cmH2O] was induced by surfactant depletion. In supine and prone positions assigned in a random order, PEEP was set to 20, 15, 10, and 5 cmH2O and static end-expiratory chest wall pressures were measured from Pes (PEEPtot,es) and dorsal (PEEPtot,PplD) and ventral (PEEPtot,PplV) Ppl. The magnitude of the difference between PEEPtot,es and PEEPtot,PplD was similar in each position [-3.6 cmH2O in supine vs. -3.8 cmH2O in prone at PEEP 20 cmH2O (PEEP 20)]. The difference between PEEPtot,es and PEEPtot,PplV became narrower in the prone position (-8.3 cmH2O supine vs. -3.0 cmH2O prone at PEEP 20). PEEPtot,PplV was overestimated by Pes in the prone position at higher pressures. The median (1st-3rd quartiles) dorsal-to-ventral Ppl gradient was 4.4 (2.4-6.8) cmH2O in the supine position and -1.5 (-3.5 to +1.1) cmH2O in the prone position (P < 0.0001) and marginally influenced by PEEP (P = 0.058). Prone position narrowed end-expiratory dorsal-to-ventral Ppl vertical gradient, likely because of a more even distribution of mechanical forces over the chest wall.NEW & NOTEWORTHY In a porcine model of acute respiratory distress syndrome, we found that static end-expiratory esophageal pressure did not change significantly in prone position compared with supine position at any positive end-expiratory pressure (PEEP) tested between 5 and 20 cmH2O. Prone position was associated with an increased ventral pleural pressure and reduced end-expiratory dorsal-to-ventral pleural pressure (Ppl) vertical gradient, likely due to a more even distribution of mechanical forces over the chest wall.
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Síndrome do Desconforto Respiratório , Animais , Feminino , Humanos , Posicionamento do Paciente , Respiração com Pressão Positiva , Pressão , Decúbito Ventral , SuínosRESUMO
BACKGROUND: During preoxygenation, the lack of tight fit between the mask and the patient's face results in inward air leak preventing effective preoxygenation. We hypothesized that non-invasive positive-pressure ventilation and positive end-expiratory pressure (PEEP) could counteract inward air leak. METHODS: Healthy volunteers were randomly assigned to preoxygenated through spontaneous breathing without leak (SB), spontaneous breathing with a calibrated air leak (T-shaped piece between the mouth and the breathing system; SB-leak), or non-invasive positive inspiratory pressure ventilation (inspiratory support +6 cm H2O; PEEP +5 cm H2O) with calibrated leak (PPV-leak). The volunteers breathed through a mouthpiece connected to an anaesthesia ventilator. The expired oxygen fraction (FeO2) and air-leak flow (ml s-1) were measured. The primary end point was the proportion of volunteers with FeO2 >90% at 3 min. The secondary end points were FeO2 at 3 min, time to reach FeO2 of 90%, and the inspiratory air-leak flow. RESULTS: Twenty healthy volunteers were included. The proportion of volunteers with FeO2 >90% at 3 min was 0% in the SB-leak group, 95% in the SB group, and 100% in the PPV-leak group (P<0.001). At 3 min, the mean [standard deviation (sd)] FeO2 was 89 (1)%, 76 (1)%, and 90 (0)% in the SB, SB-leak, and PPV-leak groups, respectively (P<0.001). The mean (sd) inward air leak was 59 (12) ml s-1 in the SB-leak group, but 0 (0) ml s-1 in the PPV-leak group (P<0.001). CONCLUSIONS: Preoxygenation through non-invasive positive-pressure ventilation and PEEP provided effective preoxygenation despite an inward air leak. CLINICAL TRIAL REGISTRATION: NCT03087825.
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Máscaras , Respiração com Pressão Positiva/instrumentação , Respiração com Pressão Positiva/métodos , Ventiladores Mecânicos , Adulto , Estudos Cross-Over , Desenho de Equipamento , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Prospectivos , Valores de Referência , RespiraçãoAssuntos
Extubação/normas , Cuidados Críticos/normas , Intubação/normas , Assistência ao Paciente/normas , Adulto , Idoso , Extubação/efeitos adversos , Extubação/instrumentação , Criança , Humanos , Unidades de Terapia Intensiva/organização & administração , Unidades de Terapia Intensiva/normas , Unidades de Terapia Intensiva Pediátrica/organização & administração , Unidades de Terapia Intensiva Pediátrica/normas , Intubação/efeitos adversos , Intubação/instrumentação , Intubação Intratraqueal , Pessoa de Meia-IdadeRESUMO
The issue of intensive and palliative care in patients with chronic disease frequently arises. This review aims to describe the prognostic factors of chronic respiratory diseases in stable and in acute situations in order to improve the management of these complex situations. The various laws on patients' rights provide a legal framework and define the concept of unreasonable obstinacy. For patients with chronic obstructive pulmonary disease, the most robust decision factors are good knowledge of the respiratory disease, the comorbidities, the history of previous exacerbations and patient preferences. In the case of idiopathic pulmonary fibrosis, it is necessary to know if there is a prospect of transplantation and to assess the reversibility of the respiratory distress. In the case of amyotrophic lateral sclerosis, treatment decisions depend on the presence of advance directives about the use of intubation and tracheostomy. For lung cancer patients, general condition, cancer history and the tumor treatment plan are important factors. A multidisciplinary discussion that takes into account the patient's medical history, wishes and the current state of knowledge permits the taking of a coherent decision.
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Cuidados Críticos/estatística & dados numéricos , Cuidados Paliativos/métodos , Transtornos Respiratórios/complicações , Transtornos Respiratórios/terapia , Doença Crônica , Tomada de Decisões , Humanos , Conforto do Paciente/métodos , Prognóstico , Transtornos Respiratórios/diagnósticoRESUMO
PURPOSE: Neurally adjusted ventilatory assist (NAVA) is a ventilatory mode that tailors the level of assistance delivered by the ventilator to the electromyographic activity of the diaphragm. The objective of this study was to compare NAVA and pressure support ventilation (PSV) in the early phase of weaning from mechanical ventilation. METHODS: A multicentre randomized controlled trial of 128 intubated adults recovering from acute respiratory failure was conducted in 11 intensive care units. Patients were randomly assigned to NAVA or PSV. The primary outcome was the probability of remaining in a partial ventilatory mode (either NAVA or PSV) throughout the first 48 h without any return to assist-control ventilation. Secondary outcomes included asynchrony index, ventilator-free days and mortality. RESULTS: In the NAVA and PSV groups respectively, the proportion of patients remaining in partial ventilatory mode throughout the first 48 h was 67.2 vs. 63.3 % (P = 0.66), the asynchrony index was 14.7 vs. 26.7 % (P < 0.001), the ventilator-free days at day 7 were 1.0 day [1.0-4.0] vs. 0.0 days [0.0-1.0] (P < 0.01), the ventilator-free days at day 28 were 21 days [4-25] vs. 17 days [0-23] (P = 0.12), the day-28 mortality rate was 15.0 vs. 22.7 % (P = 0.21) and the rate of use of post-extubation noninvasive mechanical ventilation was 43.5 vs. 66.6 % (P < 0.01). CONCLUSIONS: NAVA is safe and feasible over a prolonged period of time but does not increase the probability of remaining in a partial ventilatory mode. However, NAVA decreases patient-ventilator asynchrony and is associated with less frequent application of post-extubation noninvasive mechanical ventilation. TRIAL REGISTRATION: clinicaltrials.gov Identifier: NCT02018666.
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Ventilação de Alta Frequência/métodos , Suporte Ventilatório Interativo/métodos , Insuficiência Respiratória/terapia , Desmame do Respirador/métodos , Idoso , Feminino , França , Ventilação de Alta Frequência/efeitos adversos , Ventilação de Alta Frequência/mortalidade , Humanos , Unidades de Terapia Intensiva , Análise de Intenção de Tratamento , Suporte Ventilatório Interativo/efeitos adversos , Suporte Ventilatório Interativo/mortalidade , Tempo de Internação , Masculino , Pessoa de Meia-Idade , Estatísticas não Paramétricas , Fatores de Tempo , Lesão Pulmonar Induzida por Ventilação MecânicaAssuntos
Antirreumáticos/efeitos adversos , Artrite Reumatoide/tratamento farmacológico , Imunossupressores/efeitos adversos , Neoplasias Pulmonares/induzido quimicamente , Granulomatose Linfomatoide/induzido quimicamente , Metotrexato/efeitos adversos , Antirreumáticos/uso terapêutico , Artrite Reumatoide/complicações , Diagnóstico Diferencial , Infecções por Vírus Epstein-Barr/complicações , Evolução Fatal , Feminino , Humanos , Doença Iatrogênica , Imunofenotipagem , Imunossupressores/uso terapêutico , Neoplasias Pulmonares/diagnóstico , Neoplasias Pulmonares/diagnóstico por imagem , Neoplasias Pulmonares/patologia , Linfo-Histiocitose Hemofagocítica , Granulomatose Linfomatoide/diagnóstico , Granulomatose Linfomatoide/diagnóstico por imagem , Granulomatose Linfomatoide/patologia , Transtornos Linfoproliferativos/diagnóstico , Isquemia Mesentérica/complicações , Metotrexato/uso terapêutico , Pessoa de Meia-Idade , Pneumonia Bacteriana/diagnóstico , Radiografia , Insuficiência Respiratória/etiologiaRESUMO
Continuous positive airway pressure (CPAP) is the application in the airways of continuous positive pressure, close to the positive end expiratory pressure. The two common available systems are by a continuous (high/low) flow system and by a mechanical ventilator. Aim of this study was to compare the mechanical performance of the CPAP systems in intubated and not intubated patients. Medical literature databases (MEDLINE and EMBASE) were searched for articles on "clinical trials" and "randomized controlled trials". The key words "continuous positive airway pressure" and "CPAP", were combined with any of these key words: adult, work of breathing, continuous flow, mechanical valve, water valve, balloon reservoir, mechanical ventilator, pressure triggering, flow triggering, lung model, demand valve, equipment. Thirty-two articles (18 human and 14 bench studies) met the inclusion criteria. The continuous flow systems are able to maintain acceptable airway pressure variations during normal breathing. The most recent mechanical ventilators equipped with flow by systems compared to the first one, presented a similar or better work of breathing compared to the continuous flow systems due to the application of a little amount of pressure support. Although the use of a continuous flow is cheaper compared to mechanical ventilators, it does not allow a continuous respiratory monitoring.
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Pressão Positiva Contínua nas Vias Aéreas/instrumentação , Pressão Positiva Contínua nas Vias Aéreas/métodos , Pressão Positiva Contínua nas Vias Aéreas/estatística & dados numéricos , Humanos , Valores de Referência , Ventiladores MecânicosRESUMO
PURPOSE: Transcutaneous CO(2) monitors are widely used in neonatal ICUs. Until recently, these devices performed poorly in adults. Recent technical modifications have produced transcutaneous CO(2) monitors that have performed well in adults with chronic illnesses. We evaluated the accuracy of one of these devices, the TOSCA(®) 500, in adults admitted to an emergency department for acute respiratory failure. METHODS: We prospectively collected 29 pairs of simultaneous transcutaneous arterial CO(2) (PtcCO(2)) and arterial CO(2) (PaCO(2)) values in 21 consecutive adults with acute respiratory failure (acute heart failure, n = 6; COPD exacerbation, n = 8; acute pneumonia, n = 6; and pulmonary embolism, n = 1). Agreement between PaCO(2) and PtcCO(2) was evaluated using the Bland-Altman method. RESULTS: Mean arterial oxygen saturation was 90%, arterial oxygen tension ranged from 32 to 215 mmHg, and PaCO(2) ranged from 23 to 84 mmHg. The mean difference between PaCO(2) and PtcCO(2) was 0.1 mmHg, and the Bland-Altman limits of agreement (bias ± 1.96 SD) ranged from -6 to 6.2 mmHg. None of the patients experienced adverse effects from heating of the device clipped to the earlobe. CONCLUSION: PtcCO(2) showed good agreement with PaCO(2) in adults with acute respiratory failure.
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Monitorização Transcutânea dos Gases Sanguíneos/normas , Dióxido de Carbono/sangue , Síndrome do Desconforto Respiratório/sangue , Adulto , Idoso , Idoso de 80 Anos ou mais , Estudos de Coortes , Serviço Hospitalar de Emergência , Feminino , França , Humanos , Unidades de Terapia Intensiva , Masculino , Pessoa de Meia-Idade , Estudos Prospectivos , Reprodutibilidade dos TestesRESUMO
Fifty-eight solid organ transplant recipients with zygomycosis were studied to assess the presentation, radiographic characteristics, risks for extra-pulmonary dissemination and mortality of pulmonary zygomycosis. Pulmonary zygomycosis was documented in 31 patients (53%) and developed a median of 5.5 months (interquartile range, 2-11 months) posttransplantation. In all, 74.2% (23/31) of the patients had zygomycosis limited to the lungs and 25.8% (8/31) had lung disease as part of disseminated zygomycosis; cutaneous/soft tissue (50%, 4/8) was the most common site of dissemination. Pulmonary disease presented most frequently as consolidation/mass lesions (29.0%), nodules (25.8%) and cavities (22.6%). Patients with disseminated disease were more likely to have Mycocladus corymbifer as the causative pathogen. The mortality rate at 90 days after the treatment was 45.2%. In summary, pulmonary zygomycosis is the most common manifestation in solid organ transplant recipients with zygomycosis, and disseminated disease often involves the cutaneous/soft tissue sites but not the brain.
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Pneumopatias Fúngicas/tratamento farmacológico , Pneumopatias Fúngicas/etiologia , Transplante de Órgãos/efeitos adversos , Zigomicose/tratamento farmacológico , Zigomicose/etiologia , Adulto , Idoso , Antifúngicos/uso terapêutico , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Complicações Pós-Operatórias/tratamento farmacológico , Fatores de Tempo , Resultado do TratamentoRESUMO
OBJECTIVE: Swallowing impairment may worsen respiratory weakness and conduct to respiratory complications such as aspiration pneumonia in Guillain-Barré syndrome (GBS). We prospectively evaluate how tongue weakness could be associated to bulbar dysfunction and respiratory weakness in severe GBS patients. MEASUREMENTS AND MAIN RESULTS: Tongue strength, dysphagia and respiratory parameters were measured in 16 GBS patients at intensive care unit (ICU) admission and discharge and in seven controls. Tongue strength was decreased in the GBS patients compared with the controls. At admission, patients with dysphagia and those requiring mechanical ventilation (MV) had greater tongue weakness. All the patients with initial tongue strength <150 g required MV during ICU stay. Tongue strength correlated significantly with respiratory parameters. CONCLUSION: This study confirms the strong association between bulbar and respiratory dysfunction in GBS admitted to ICU. Tongue weakness may be present in GBS, especially during the phase of increasing paralysis, and resolves during the recovery phase. Tongue strength and indices of global and respiratory strength vary in parallel throughout the course of GBS. Further studies are needed to assess if, when used in combination with other respiratory tests, tongue strength measurement could contribute to identify patients at high risk for respiratory complications.
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Síndrome de Guillain-Barré/fisiopatologia , Debilidade Muscular/fisiopatologia , Insuficiência Respiratória/fisiopatologia , Doenças da Língua/fisiopatologia , Língua/inervação , Adolescente , Adulto , Idoso , Afasia/etiologia , Afasia/fisiopatologia , Feminino , Síndrome de Guillain-Barré/complicações , Humanos , Masculino , Pessoa de Meia-Idade , Dinamômetro de Força Muscular , Debilidade Muscular/etiologia , Prognóstico , Insuficiência Respiratória/etiologia , Doenças da Língua/etiologia , Adulto JovemRESUMO
Inspiratory muscle strength monitoring is crucial in patients with neuromuscular disorders. The sniff nasal inspiratory pressure (SNIP) and maximal inspiratory pressure (P(I,max)) are usually measured. The present study investigated whether the test yielding the best value at baseline continued to yield the best value during follow-up. The present study included 25 patients with Duchenne muscular dystrophy (DMD) and 61 with myotonic muscular dystrophy (MMD). SNIP and P(I,max) were measured at baseline and then annually. At baseline, SNIP was lower than P(I,max) in 20 (80%) DMD patients and 32 (52%) MMD patients. During follow-up in DMD patients, changes in the best method always occurred from SNIP to P(I,max). In MMD patients, when SNIP was better than P(I,max) at baseline, SNIP was usually (88%) better during follow-up, whereas a better P(I,max) than SNIP at baseline was frequently (50%) followed by a shift to SNIP. Maximal inspiratory pressure may be sufficient for monitoring inspiratory muscle function in Duchenne muscular dystrophy adults. In myotonic muscular dystrophy, the marked variability in the test yielding the best value at baseline indicates a need for performance of both tests at baseline. However, when sniff nasal inspiratory pressure measurement yields the best value at baseline, using sniff nasal inspiratory pressure alone during follow-up may be appropriate.
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Capacidade Inspiratória , Força Muscular , Distrofias Musculares/diagnóstico , Distrofias Musculares/patologia , Distrofia Muscular de Duchenne/diagnóstico , Distrofia Muscular de Duchenne/patologia , Doenças Neuromusculares/diagnóstico , Doenças Neuromusculares/patologia , Pneumologia/instrumentação , Pneumologia/métodos , Músculos Respiratórios/patologia , Adulto , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Pressão , Reprodutibilidade dos Testes , EspirometriaRESUMO
PURPOSE: To report an upper eyelid mass which proved to be a desmoplastic trichilemmoma. METHODS: A 60-year-old man had a slowly enlarging upper eyelid mass. The tumor was excised. The pathologic evaluation of the tumor was centered on the differential diagnosis. RESULTS: The clinical appearance of this lesion is nonspecific and can simulate a verruca, follicular keratosis, or basal cell carcinoma. Central desmoplasia, outer root sheath differentiation of the tumor cells, and CD34 positivity are the main characteristics that allow differentiation from basal cell carcinoma. CONCLUSIONS: Proper recognition of a benign neoplasm that may be misdiagnosed as basal cell cancer can prevent aggressive surgical treatment.