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Annals of Clinical and Medical
Case Reports
Case Report ISSN: 2639-8109 Volume 8
Repeated Hemoptysis With Progressive Bronchiectasis: A Case Report of Lady Winder-
mere Syndrome
Wang R
Department of Respiratory medicine, Strategic Support Force Medical Center, Beijing 100101, China
*
Corresponding author:
Dr. Ruijuan Wang,
Department of respiratory medicine, Strategic
Support Force Medical Center, 9 North Anxiang
Road, Chaoyang District, Beijing 100101, China.
Tel: +86-10-66356130;
E-mail: 13661035333@126.com
Received: 15 Dec 2021
Accepted: 24 Dec 2021
Published: 31 Dec 2021
J Short Name: ACMCR
Copyright:
©2021 Wang R. This is an open access article distribut-
ed under the terms of the Creative Commons Attribution
License, which permits unrestricted use, distribution, and
build upon your work non-commercially.
Citation:
Wang R, Repeated Hemoptysis With Progressive Bron-
chiectasis: A Case Report of Lady Windermere Syndrome.
Ann Clin Med Case Rep. 2021; V8(4): 1-4
Keywords:
Hemoptysis; Bronchiectasis; Nontuberculous Myco-
bacterium
1. Abstract
Bronchiectasis is a type of incurable structural lung disease with
clinical manifestations of chronic cough, expectoration or recur-
rent hemoptysis, which is often given anti-infection and symptom-
atic treatment. In this study, a patient suffering from bronchiectasis
with repeated hemoptysis caused by nontuberculous mycobacteri-
um (NTM) was discussed. A 54-year-old female immunocompe-
tent patient was admitted to our hospital due to repeated hemopty-
sis for 5 years. Computed tomography (CT) scan revealed progres-
sive bronchiectasis in the upper and middle lobes of her right lung.
She subsequently underwent thoracoscopic lobectomy of the right
middle lobe plus segmentectomy of the anterior segment of the
right upper lobe. Postoperative pathological diagnosis was con-
firmed to be intracellular mycobacterium. In view of her results,
the patient was concluded to have “Lady Windermere syndrome”
and was clinically cured following 15 months of anti-NTM treat-
ment.
2. Introduction
Nontuberculous mycobacterial lung disease (NTM-LD) is a group
of pulmonary infectious disease which is confirmed via respiratory
secretions culture. Its symptoms are often non-specific. Bronchi-
ectasis is one of the most common radiographic appearances of
NTM-LD, which is a common respiratory disorder in clinical prac-
tice. Patients suffering from bronchiectasis are prone to infections,
such as NTM. Due to their frequent coexistence, it is difficult to
determine causality [1] and may even be misdiagnosed. Here, a
case of intracellular mycobacterium lung disease is reported in an
immunocompetent middle-aged female, presenting with repeated
hemoptysis and progressive bronchiectasis for 5 years that meets
the diagnostic criteria of Lady Windermere syndrome.
3. Case Report
A 54-year-old non-smoker female with no family or personal
history of nontuberculous, was admitted to our hospital present-
ing with a 5-year history of recurrent episodes of cough, yellow
phlegm and hemoptysis. She had been healthy without chronic
pulmonary disease or connective tissue disease until her first bout
of hemoptysis occurred in 2013, with 3-5 ml of bloody sputum.
An initial thoracic computed tomography scan demonstrated mild
localized bronchiectasis with a tree-in-bud sign at the middle lobe
of her right lung (Figure 1A). Since then, the patient suffered from
repeated attacks of hemoptysis once or twice a year, which grad-
ually increased to 100 ml of blood on each bout of hemoptysis.
She had already been six admissions by April 2018 for hemoptysis
and pulmonary infection in which she was treated with antibiotics
and hemostatic for presumed bronchiectasis with infection all the
time. Meanwhile, the scope of bronchiectasis gradually expand-
ed, involving the right middle lobe and the anterior segment of
the right upper lobe (Figure 1B and 1C). During the course of her
disease, she occasionally had fever but without dyspnea or weight
loss. In terms of personal history, she had lived in Australia and
Singapore since 2001 for five years. She decided to undergo sur-
gery on account of the disease’s serious impact on her quality of
life. A physical examination demonstrated that her weight was
53 kg, height was 165cm, body mass index (BMI) was 19.4 Kg/
http://acmcasereports.com 1
http://acmcasereports.com 2
Volume 8 Issue 4 -2021 Case Report
m2 and she had fine moist rales in her right lung. The laboratory
data, including routine blood test, C-reactive protein, erythrocyte
sedimentation rate (ESR), biochemical indexes, procalcitonin, and
anti-HIV antibody were normal. T-SPOT test was negative. No ab-
normality was found in echocardiography. She underwent thora-
coscopic lobectomy of the right middle lobe plus segmentectomy
for anterior segment of her right upper lobe. Histological exam-
ination of the resected specimens revealed multifocal and chronic
granulomatous inflammation with partial necrosis (Figure 2A) and
positive acid-fast bacilli (Figure 2B), indicating mycobacterial in-
fection. Identification of mycobacterium species by fluorescence
quantitative polymerase chain reaction (PCR)-probe melting
curve technique revealed Mycobacterium intracellular. She then
received treatment for nontuberculous mycobacterium pulmonary
infection with azithromycin, amikacin, rifampicin, ethambutol and
moxifloxacin for 15 months. No bronchiectasis or other abnormal
lesions were found in both lungs of her thoracic CT reexamina-
tion following drug withdrawal (Figure 1D). So far, the patient has
been followed up for nearly one year and a half without hemopty-
sis after drug withdrawal.
Figure 1: An initial thoracic computed tomography scan demonstrated mild localized bronchiectasis with a tree-in-bud sign at the middle lobe of her
right lung.
Volume 8 Issue 4 -2021 Case Report
http://acmcasereports.com 3
Figure 2: Histological examination of the resected specimens revealed multifocal and chronic granulomatous inflammation with partial necrosis and
positive acid-fast bacilli indicating mycobacterial infection.
4. Discussion
Due to the increased presence of advanced diagnostic techniques
and increased awareness among clinicians, the incidence of NTM
infection has dramatically increased in the past two decades glob-
ally, which is also true in China [2-4]. Mycobacterium avium
complex (MAC) is ubiquitous and has become a common finding
worldwide in respiratory secretions and tissues [5]. The majority
of humans infected with NTM develop a chronic illness that slow-
ly progresses. Middle-aged patients are more likely to be infected
with NTM, especially in female, which is referred to as Lady Wind-
ermere syndrome. Reich and other researchers [6] first described
the syndrome in 1992, which was named after a fussy character in
Oscar Wild’s plays, “Lady Windermere’s Fan”. It is characterized
that female patient without apparent predisposing pulmonary dis-
ease has habit of voluntary suppression of cough which induces to
unable to clear the secretions from the right middle and left lingual
lobe of lung. Since then, dozens of cases have been reported, pri-
marily from the West (more likely to be the Caucasian) [7], though
a few were reported from Southeast Asia [8, 9] and Taiwan [10].
However, no cases have been reported from China.
Postmenopausal women who are tall and have a thin morphotype
and low BMI, scoliosis, pectus excavatum and mitral valve pro-
lapse are prone to this disease, which is a unique phenotype for this
disease. Host factors of NTM PD also include rheumatoid arthri-
tis and use of immunomodulatory drugs. Moreover, warm, humid
environments with high atmospheric vapor pressure contribute to
population risk [2]. Although the pathophysiology for susceptibili-
ty to NTM lung disease in these patients remains unclear, multiple
factors interacting endocrine systems have the potential to con-
tribute to Lady Windermere syndrome by modulating immune re-
sponses to NTM [11]. Another study identified that rare variants in
MST1R contribute to Lady Windermere syndrome by decreasing
airway ciliary function and reducing IFN-γ production in response
to NTM [12].
The diagnosis comprises three components of microbiologic,
radiographic, and clinical criteria. The clinical criteria include
cough, sputum, occasional hemoptysis, and febrile episodes. Ra-
diologically, chest X-ray or CT scans show a spectrum of reticu-
lonodular opacities, a tree-in-bud nodularity, and cavitary lesions
superimposed on cylindrical bronchiectasis of the right middle
lobe and left lingular segments. Furthermore, sputum culture or
bronchoalveolar lavage culture demonstrates the infection caused
by MAC. In the present case, the patient had a low BMI, was
perimenopausal and had repeated hemoptysis as the main clini-
cal manifestation. The patient’s imaging demonstrated progressed
bronchiectasis, and MAC lung disease was confirmed by postop-
erative pathology, which was found to be in accordance with Lady
Windermere syndrome.
Regarding the treatment of NTM lung disease, it is important to
assess the pathogenicity of the organism, risks and benefits of
therapy, the patient’s wishes and ability to receive treatment. The
American Thoracic Society (ATS) guidelines suggest initiation
of treatment in patients who meet the diagnostic criteria for NTM
pulmonary disease, especially in the context of positive acid-fast
bacilli sputum smears or cavitary lung disease. In this regard, the
ATS strongly recommends that the initial therapy for patients with
macrolide-susceptible MAC lung disease consist of a minimum
three-drug regimen that includes azithromycin rather than clari-
thromycin [13]. Although medical therapy remains the primary
treatment modality for patients with pulmonary NTM disease, pul-
monary resection may reduce the incidence of symptomatic dis-
ease recurrence [14]. Surgical resection is appropriate in cases of
localized disease or resistant to medical therapy [15].
5. Conclusion
Whereas bronchiectasis is a common respiratory disorder encoun-
tered in clinical practice, NTM infections should be considered in
atypical scenarios. When patients with repeated hemoptysis and
bronchiectasis seek health care, especially in middle-aged women
with bronchiectasis in the right middle lobe and lingular segments,
clinicians should suspect the possibility of NTM diagnosis.
6. Acknowledgement
The authors thank the patient and her family members for their
generosity and cooperation.
Volume 8 Issue 4 -2021 Case Report
http://acmcasereports.com 4
References
1. Griffith DE, Aksamit T, Brown-Elliott BA, Catanzaro A, Daley C.
An official ATS/IDSA statement: diagnosis, treatment, and preven-
tion of nontuberculous mycobacterial diseases. Am J Respir Crit
Care Med. 2007; 175(4): 367-416.
2. Prevots DR, Marras TK. Epidemiology of human pulmonary infec-
tion with nontuberculous mycobacteria: a review. Clin Chest Med.
2015; 36(1): 13-34.
3. Hu C, Huang L, Cai M, Wang W, Shi X. Characterization of non-tu-
berculous mycobacterial pulmonary disease in Nanjing district of
China. BMC Infect Dis. 2019; 19(1): 764.
4. Huang JJ, Li YX, Zhao Y, Yang WH, Xiao M. Prevalence of non-
tuberculous mycobacteria in a tertiary hospital in Beijing, China,
January 2013 to December 2018. BMC Microbiol. 2020; 20(1): 158.
5. Weinstock DM, Feinstein MB, Sepkowitz KA, Jakubowski A. High
rates of infection and colonization by nontuberculous mycobacteria
after allogeneic hematopoietic stem cell transplantation. Bone Mar-
row Transplant. 2003; 31(11): 1015-1021.
6. Reich JM, Johnson RE. Mycobacterium avium complex pulmonary
disease presenting as an isolated lingular or middle lobe pattern. The
Lady Windermere syndrome. Chest. 1992; 101(6): 1605-1609.
7. Yeager H. The Lady Windermere syndrome: is there a racial as well
as a gender bias. Chest. 2008; 134(4): 889-890.
8. Kasthoori JJ, Liam CK, Wastie ML. Lady Windermere syndrome:
an inappropriate eponym for an increasingly important condition.
Singapore Med J. 2008; 49(2): e47-49.
9. Rao R, Sheshadri S, Patil N, Rao K, Arivazhahan A. Lady Winder-
mere Syndrome: A Very Rare Entity In Indian Medical Scenario. J
Clin Diagn Res. 2016; 10(1): OD01-OD02.
10. Pan YL, Liao HT. Lady Windermere syndrome in Sjogren’s syn-
drome. IDCases. 2018; 14: e00457.
11. Holt MR, Miles JJ, Inder WJ, Thomson RM. Exploring immuno-
modulation by endocrine changes in Lady Windermere syndrome.
Clin Exp Immunol. 2019; 196(1): 28-38.
12. Becker KL, Arts P, Jaeger M, Plantinga TS, Gilissen C. MST1R mu-
tation as a genetic cause of Lady Windermere syndrome. Eur Respir
J. 2017; 49(1): 1601478.
13. Daley CL, Iaccarino JM, Lange C, Cambau E, Wallace RJ. Treat-
ment of nontuberculous mycobacterial pulmonary disease: an offi-
cial ATS/ERS/ESCMID/IDSA clinical practice guideline. Eur Re-
spir J. 2020; 56(1): 2000535.
14. Yu JA, Pomerantz M, Bishop A, Weyant MJ, Mitchell JD. Lady
Windermere revisited: treatment with thoracoscopic lobectomy/
segmentectomy for right middle lobe and lingular bronchiectasis
associated with non-tuberculous mycobacterial disease. Eur J Car-
diothorac Surg. 2011; 40(3): 671-675.
15. Johnson MM, Odell JA. Nontuberculous mycobacterial pulmonary
infections. J Thorac Dis. 2014; 6(3): 210-220.

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Repeated Hemoptysis With Progressive Bronchiectasis: A Case Report of Lady Windermere Syndrome

  • 1. Annals of Clinical and Medical Case Reports Case Report ISSN: 2639-8109 Volume 8 Repeated Hemoptysis With Progressive Bronchiectasis: A Case Report of Lady Winder- mere Syndrome Wang R Department of Respiratory medicine, Strategic Support Force Medical Center, Beijing 100101, China * Corresponding author: Dr. Ruijuan Wang, Department of respiratory medicine, Strategic Support Force Medical Center, 9 North Anxiang Road, Chaoyang District, Beijing 100101, China. Tel: +86-10-66356130; E-mail: 13661035333@126.com Received: 15 Dec 2021 Accepted: 24 Dec 2021 Published: 31 Dec 2021 J Short Name: ACMCR Copyright: ©2021 Wang R. This is an open access article distribut- ed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and build upon your work non-commercially. Citation: Wang R, Repeated Hemoptysis With Progressive Bron- chiectasis: A Case Report of Lady Windermere Syndrome. Ann Clin Med Case Rep. 2021; V8(4): 1-4 Keywords: Hemoptysis; Bronchiectasis; Nontuberculous Myco- bacterium 1. Abstract Bronchiectasis is a type of incurable structural lung disease with clinical manifestations of chronic cough, expectoration or recur- rent hemoptysis, which is often given anti-infection and symptom- atic treatment. In this study, a patient suffering from bronchiectasis with repeated hemoptysis caused by nontuberculous mycobacteri- um (NTM) was discussed. A 54-year-old female immunocompe- tent patient was admitted to our hospital due to repeated hemopty- sis for 5 years. Computed tomography (CT) scan revealed progres- sive bronchiectasis in the upper and middle lobes of her right lung. She subsequently underwent thoracoscopic lobectomy of the right middle lobe plus segmentectomy of the anterior segment of the right upper lobe. Postoperative pathological diagnosis was con- firmed to be intracellular mycobacterium. In view of her results, the patient was concluded to have “Lady Windermere syndrome” and was clinically cured following 15 months of anti-NTM treat- ment. 2. Introduction Nontuberculous mycobacterial lung disease (NTM-LD) is a group of pulmonary infectious disease which is confirmed via respiratory secretions culture. Its symptoms are often non-specific. Bronchi- ectasis is one of the most common radiographic appearances of NTM-LD, which is a common respiratory disorder in clinical prac- tice. Patients suffering from bronchiectasis are prone to infections, such as NTM. Due to their frequent coexistence, it is difficult to determine causality [1] and may even be misdiagnosed. Here, a case of intracellular mycobacterium lung disease is reported in an immunocompetent middle-aged female, presenting with repeated hemoptysis and progressive bronchiectasis for 5 years that meets the diagnostic criteria of Lady Windermere syndrome. 3. Case Report A 54-year-old non-smoker female with no family or personal history of nontuberculous, was admitted to our hospital present- ing with a 5-year history of recurrent episodes of cough, yellow phlegm and hemoptysis. She had been healthy without chronic pulmonary disease or connective tissue disease until her first bout of hemoptysis occurred in 2013, with 3-5 ml of bloody sputum. An initial thoracic computed tomography scan demonstrated mild localized bronchiectasis with a tree-in-bud sign at the middle lobe of her right lung (Figure 1A). Since then, the patient suffered from repeated attacks of hemoptysis once or twice a year, which grad- ually increased to 100 ml of blood on each bout of hemoptysis. She had already been six admissions by April 2018 for hemoptysis and pulmonary infection in which she was treated with antibiotics and hemostatic for presumed bronchiectasis with infection all the time. Meanwhile, the scope of bronchiectasis gradually expand- ed, involving the right middle lobe and the anterior segment of the right upper lobe (Figure 1B and 1C). During the course of her disease, she occasionally had fever but without dyspnea or weight loss. In terms of personal history, she had lived in Australia and Singapore since 2001 for five years. She decided to undergo sur- gery on account of the disease’s serious impact on her quality of life. A physical examination demonstrated that her weight was 53 kg, height was 165cm, body mass index (BMI) was 19.4 Kg/ http://acmcasereports.com 1
  • 2. http://acmcasereports.com 2 Volume 8 Issue 4 -2021 Case Report m2 and she had fine moist rales in her right lung. The laboratory data, including routine blood test, C-reactive protein, erythrocyte sedimentation rate (ESR), biochemical indexes, procalcitonin, and anti-HIV antibody were normal. T-SPOT test was negative. No ab- normality was found in echocardiography. She underwent thora- coscopic lobectomy of the right middle lobe plus segmentectomy for anterior segment of her right upper lobe. Histological exam- ination of the resected specimens revealed multifocal and chronic granulomatous inflammation with partial necrosis (Figure 2A) and positive acid-fast bacilli (Figure 2B), indicating mycobacterial in- fection. Identification of mycobacterium species by fluorescence quantitative polymerase chain reaction (PCR)-probe melting curve technique revealed Mycobacterium intracellular. She then received treatment for nontuberculous mycobacterium pulmonary infection with azithromycin, amikacin, rifampicin, ethambutol and moxifloxacin for 15 months. No bronchiectasis or other abnormal lesions were found in both lungs of her thoracic CT reexamina- tion following drug withdrawal (Figure 1D). So far, the patient has been followed up for nearly one year and a half without hemopty- sis after drug withdrawal. Figure 1: An initial thoracic computed tomography scan demonstrated mild localized bronchiectasis with a tree-in-bud sign at the middle lobe of her right lung.
  • 3. Volume 8 Issue 4 -2021 Case Report http://acmcasereports.com 3 Figure 2: Histological examination of the resected specimens revealed multifocal and chronic granulomatous inflammation with partial necrosis and positive acid-fast bacilli indicating mycobacterial infection. 4. Discussion Due to the increased presence of advanced diagnostic techniques and increased awareness among clinicians, the incidence of NTM infection has dramatically increased in the past two decades glob- ally, which is also true in China [2-4]. Mycobacterium avium complex (MAC) is ubiquitous and has become a common finding worldwide in respiratory secretions and tissues [5]. The majority of humans infected with NTM develop a chronic illness that slow- ly progresses. Middle-aged patients are more likely to be infected with NTM, especially in female, which is referred to as Lady Wind- ermere syndrome. Reich and other researchers [6] first described the syndrome in 1992, which was named after a fussy character in Oscar Wild’s plays, “Lady Windermere’s Fan”. It is characterized that female patient without apparent predisposing pulmonary dis- ease has habit of voluntary suppression of cough which induces to unable to clear the secretions from the right middle and left lingual lobe of lung. Since then, dozens of cases have been reported, pri- marily from the West (more likely to be the Caucasian) [7], though a few were reported from Southeast Asia [8, 9] and Taiwan [10]. However, no cases have been reported from China. Postmenopausal women who are tall and have a thin morphotype and low BMI, scoliosis, pectus excavatum and mitral valve pro- lapse are prone to this disease, which is a unique phenotype for this disease. Host factors of NTM PD also include rheumatoid arthri- tis and use of immunomodulatory drugs. Moreover, warm, humid environments with high atmospheric vapor pressure contribute to population risk [2]. Although the pathophysiology for susceptibili- ty to NTM lung disease in these patients remains unclear, multiple factors interacting endocrine systems have the potential to con- tribute to Lady Windermere syndrome by modulating immune re- sponses to NTM [11]. Another study identified that rare variants in MST1R contribute to Lady Windermere syndrome by decreasing airway ciliary function and reducing IFN-γ production in response to NTM [12]. The diagnosis comprises three components of microbiologic, radiographic, and clinical criteria. The clinical criteria include cough, sputum, occasional hemoptysis, and febrile episodes. Ra- diologically, chest X-ray or CT scans show a spectrum of reticu- lonodular opacities, a tree-in-bud nodularity, and cavitary lesions superimposed on cylindrical bronchiectasis of the right middle lobe and left lingular segments. Furthermore, sputum culture or bronchoalveolar lavage culture demonstrates the infection caused by MAC. In the present case, the patient had a low BMI, was perimenopausal and had repeated hemoptysis as the main clini- cal manifestation. The patient’s imaging demonstrated progressed bronchiectasis, and MAC lung disease was confirmed by postop- erative pathology, which was found to be in accordance with Lady Windermere syndrome. Regarding the treatment of NTM lung disease, it is important to assess the pathogenicity of the organism, risks and benefits of therapy, the patient’s wishes and ability to receive treatment. The American Thoracic Society (ATS) guidelines suggest initiation of treatment in patients who meet the diagnostic criteria for NTM pulmonary disease, especially in the context of positive acid-fast bacilli sputum smears or cavitary lung disease. In this regard, the ATS strongly recommends that the initial therapy for patients with macrolide-susceptible MAC lung disease consist of a minimum three-drug regimen that includes azithromycin rather than clari- thromycin [13]. Although medical therapy remains the primary treatment modality for patients with pulmonary NTM disease, pul- monary resection may reduce the incidence of symptomatic dis- ease recurrence [14]. Surgical resection is appropriate in cases of localized disease or resistant to medical therapy [15]. 5. Conclusion Whereas bronchiectasis is a common respiratory disorder encoun- tered in clinical practice, NTM infections should be considered in atypical scenarios. When patients with repeated hemoptysis and bronchiectasis seek health care, especially in middle-aged women with bronchiectasis in the right middle lobe and lingular segments, clinicians should suspect the possibility of NTM diagnosis. 6. Acknowledgement The authors thank the patient and her family members for their generosity and cooperation.
  • 4. Volume 8 Issue 4 -2021 Case Report http://acmcasereports.com 4 References 1. Griffith DE, Aksamit T, Brown-Elliott BA, Catanzaro A, Daley C. An official ATS/IDSA statement: diagnosis, treatment, and preven- tion of nontuberculous mycobacterial diseases. Am J Respir Crit Care Med. 2007; 175(4): 367-416. 2. Prevots DR, Marras TK. Epidemiology of human pulmonary infec- tion with nontuberculous mycobacteria: a review. Clin Chest Med. 2015; 36(1): 13-34. 3. Hu C, Huang L, Cai M, Wang W, Shi X. Characterization of non-tu- berculous mycobacterial pulmonary disease in Nanjing district of China. BMC Infect Dis. 2019; 19(1): 764. 4. Huang JJ, Li YX, Zhao Y, Yang WH, Xiao M. Prevalence of non- tuberculous mycobacteria in a tertiary hospital in Beijing, China, January 2013 to December 2018. BMC Microbiol. 2020; 20(1): 158. 5. Weinstock DM, Feinstein MB, Sepkowitz KA, Jakubowski A. High rates of infection and colonization by nontuberculous mycobacteria after allogeneic hematopoietic stem cell transplantation. Bone Mar- row Transplant. 2003; 31(11): 1015-1021. 6. Reich JM, Johnson RE. Mycobacterium avium complex pulmonary disease presenting as an isolated lingular or middle lobe pattern. The Lady Windermere syndrome. Chest. 1992; 101(6): 1605-1609. 7. Yeager H. The Lady Windermere syndrome: is there a racial as well as a gender bias. Chest. 2008; 134(4): 889-890. 8. Kasthoori JJ, Liam CK, Wastie ML. Lady Windermere syndrome: an inappropriate eponym for an increasingly important condition. Singapore Med J. 2008; 49(2): e47-49. 9. Rao R, Sheshadri S, Patil N, Rao K, Arivazhahan A. Lady Winder- mere Syndrome: A Very Rare Entity In Indian Medical Scenario. J Clin Diagn Res. 2016; 10(1): OD01-OD02. 10. Pan YL, Liao HT. Lady Windermere syndrome in Sjogren’s syn- drome. IDCases. 2018; 14: e00457. 11. Holt MR, Miles JJ, Inder WJ, Thomson RM. Exploring immuno- modulation by endocrine changes in Lady Windermere syndrome. Clin Exp Immunol. 2019; 196(1): 28-38. 12. Becker KL, Arts P, Jaeger M, Plantinga TS, Gilissen C. MST1R mu- tation as a genetic cause of Lady Windermere syndrome. Eur Respir J. 2017; 49(1): 1601478. 13. Daley CL, Iaccarino JM, Lange C, Cambau E, Wallace RJ. Treat- ment of nontuberculous mycobacterial pulmonary disease: an offi- cial ATS/ERS/ESCMID/IDSA clinical practice guideline. Eur Re- spir J. 2020; 56(1): 2000535. 14. Yu JA, Pomerantz M, Bishop A, Weyant MJ, Mitchell JD. Lady Windermere revisited: treatment with thoracoscopic lobectomy/ segmentectomy for right middle lobe and lingular bronchiectasis associated with non-tuberculous mycobacterial disease. Eur J Car- diothorac Surg. 2011; 40(3): 671-675. 15. Johnson MM, Odell JA. Nontuberculous mycobacterial pulmonary infections. J Thorac Dis. 2014; 6(3): 210-220.