prolonged and recurrent fevers in children -...
TRANSCRIPT
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Prolonged and recurrentfevers in children
____________________________
Marie-Louise von Linstow, MD, PhD
Dept. of Paediatrics and Adolescent Medicine
Rigshospitalet
Copenhagen
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Normal mean rectal temperature ________________________________________
37.8°C
S. Long , Princ PractPID 2012; p 117
37.0°C
Mean 37.7°C, SD 0,38
Mean 37.4°C
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Measuring temperature________________________________________
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Measuring temperature________________________________________
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Brighton collaboration definition of fever
_____________________________________
Fever is defined as an endogenous
elevation of at least one measured
body temperature of ≥ 38°C
… irrespective of device, anatomic
site, age, or environmental
conditions
____________________________Marcy. Vaccine 2004;22:551
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Undifferentiated fever_____________________________________• Fever is the main complaint
• Not associated with a defined clinical illness
• Not ”fever without a source”
• Previously healthy
_____________________________________
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Undifferentiated fever
Periodic
Recurrent
IntermittentF-Not-UONot FUO FUO
Prolonged
Marshall, J infection 2014;S84
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Undifferentiated fever
Periodic
Recurrent
IntermittentF-Not-UONot FUO FUO
Prolonged
Patient is NOT having abnormal temperatures
Marshall, J infection 2014;S84
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Undifferentiated fever
Periodic
Recurrent
IntermittentF-Not-UONot FUO FUO
Prolonged
Causes
• Temperatures usually runs low
• Diurnal temperature variation
• Meals
Kleiman. Pediatr Clin N A 1982;29:201
• Ovulation
• Tobacco and chewing gum
• Exercise
• Environmental conditions
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Undifferentiated fever
Periodic
Recurrent
IntermittentF-Not-UONot FUO FUO
Prolonged
Clues
• Healthy appearance
• Normal growth/development
• Stable weight
• School absences for subjective complaints Kleiman. Pediatr Clin N A 1982;29:201
• Behavioral problems
• Fear of malignancy
• Family stress
• Normal physical exam
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Undifferentiated fever
Periodic
Recurrent
IntermittentF-Not-UONot FUO FUO
Prolonged
Diagnosis achievable in the primary care setting
Clues on history, physical exam or simple laboratory tests
Uncommon presentation of a common disease
Seperate illnesses that blend together
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Undifferentiated fever
Periodic
Recurrent
IntermittentF-Not-UONot FUO FUO
Prolonged
Diagnoses
- URTI (otitis media, sinusitis)
- LRTI (pneumonia)
- CNS infection
- TB
- Leukemia
- Kawasaki disease
- JIA
- IBD
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Fever for 3 weeks_____________________________________
• 8 year old girl
• Turnes up at the Paediatric Department
• Headache, back pain, leg pain, stomach pain
• Tired, 3 kg weightloss
• Normal examination except dry cough and temp. 38.0°C
• Previously: asthmatic bronchitis
• Pakistan for 4 months 1 year ago
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Fever for 3 weeks_____________________________________
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Undifferentiated fever
Periodic
Recurrent
IntermittentF-Not-UONot FUO FUO
Prolonged
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Defining prolonged fever of unknown origin_____________________________________
• Illness > 3 weeks
• Fever > 38.3°C on several occations
• Diagnosis uncertain after 1 week in hospital
___________________________Petersdorf. Medicine 1961;40:1
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Defining prolonged fever of unknown origin_____________________________________
_________________________
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UpToDate definition of FUO in children_____________________________________
_________________________Palazzi D. FUO in children, www.uptodate.com 2016
• Core body temperature of ≥ 38.3°C
• ≥ 1 occation every day
• ≥ 8 consecutive days
• No diagnosis after initial outpatient or hospital evaluationincluding careful history, physical examination and initial laboratory assessment
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Factors affecting cause of FUO in case series _____________________________________
_________________________
• Geography
• Age
• Host factors
• New diseases
• Physician experience
• Referral patterns
• Availability of laboratory tests and imaging
• Managed care
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Causes of FUO in children - USA
___________________________________
___________________________
_Marshall, J infection 2014;S84
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Causes of FUO in children - USA
___________________________________
___________________________
_Marshall, J infection 2014;S84
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FUO in adults___________________________________
Horowitz H, NEJM 2003; 368:3
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Infectious causes of FUO in children - USA
______________________________________
(N=240)
(N=255)
Marshall, J infection 2014;S84
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Bacterial infections in children with FUO ____________________________________
Chow. World J Pediatr 2011;7:5
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Undifferentiated fever
Periodic
Recurrent
IntermittentF-Not-UONot FUO FUO
Prolonged
If it’s infection there is always a source- Travel - Animals- Raw foods - Transfusions- Ill persons - Recent procedures- Insect bites - Unusual activities
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Undifferentiated fever
Periodic
Recurrent
IntermittentF-Not-UONot FUO FUO
Prolonged
Inflammatory and autoimmune diseases- Inflammatory bowel disease - Wegeners granulomathosis- Juvenile idiopathic arthritis - Sarcoidosis
- Rheumatic fever - Behcet disease- Kawasaki disease (incomplete) - Lupus
- HLH
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Undifferentiated fever
Periodic
Recurrent
IntermittentF-Not-UONot FUO FUO
Prolonged
Malignancies- Leukemia - Hepatoma- Lymphoma - soft tissue sarcoma- Neuroblastoma
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Undifferentiated fever
Periodic
Recurrent
IntermittentF-Not-UONot FUO FUO
Prolonged
Miscellaneous- Munchausen by proxy - Dysautonomia- Factitious fever - Diabetes insipidus- Drug fever - Ectodermal dysplasia- Central fever - Hyperthyroidism- Pulmonary embolus - Hematoma
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Unexplained fever
Periodic
Recurrent
IntermittentF-Not-UONot FUO FUO
Prolonged
N=221
N=69 N=152
N=10 N=11 N=48 N=92 N=60
Diagnosis
31%9%
35%
75% had no fever,
self-limited illness or
no diagnosis
5% had a serious
illnessStatler V, J Ped Infect Dis Soc 2016;5:249-561
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Undifferentiated fever
Periodic
Recurrent
IntermittentF-Not-UONot FUO FUO
Prolonged
Approach to diagnosis- Severity of findings dictates pace of evaluation- Serial evaluations- Avoid antimicrobials- Use time as a diagnostic tool
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Diagnostic approach ____________________________________
_________________________
First visit Second visit Third visit
Initial Hx and PEPrevious lab resultsCBC with smearCMPESR and CRPU/A and UCxBCxCXR
Interval Hx and PECBC with smearCMPESR and CRP
Interval Hx and PECBC with smearCMPESR and CRP
Targeted studies Targeted studies Targeted studies
Fever/symptom diary
Fever/symptom diary
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Targeted studies ____________________________________
• Infectious diseases• TST, IGRA
• EBV and CMV serology
• HIV Ab/Ag or PCR
• Bartonella serology
• Brucella serology
• Toxoplasma serology
• Tularemia serology
• Histoplasma serology
• Stool culture
• Autoimmune/autoinflammatory• ANA and RF
• ASO and anti-DNAse-B
• C3, C4
• Malignancy• Flowcytometri
• LDH and uric acid
• Bone marrow
• PET-CT
• Miscellaneous• Thyroid function tests
• Sinus CT
• Echocardiogram
• Endoscopy
• Abdominal US or CT
• Bone scan
• PET scan
_________________________________
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FDG-PET-CT in children with FUO ___________________________
• Results similar to adults
• Sensitivity 80-90%
• Clinical helpful 45%
• FP
• FN
_________________________
Jasper N. Eur J Nucl Med Mol Imaging, 2010;37:136-145Houseni M. PET Clin 3, 2009: 605-19Kouijzer I. Semin Nucl Med, 2013;333-9
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Undifferentiated fever
Periodic
Recurrent
IntermittentF-Not-UONot FUO FUO
Prolonged
Sequential, common, self-limited illness• Epidemiological clues (daycare)
• Diagnosis
• Careful fever and symptom chart
• Screening laboratory studies
• Time
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Undifferentiated fever
Periodic
Recurrent
IntermittentF-Not-UONot FUO FUO
Prolonged
Sequential, common, self-limited illness
Autoinflammatory diseases• Abnomally increased inflammation
• Predominantly mediated by molecules and cells of the innate immune system (as
opposed to autoantibodies or autoreactive T cells)
• Significant host predisposition
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Autoinflammatory diseases
Feature Inflammasomopathies Protein
folding
disorderIntrinsic Extrinsic
FCAS MWS NOMID FMF HIGDS TRAPS
Inheritance AD AD Sporadic AR AR AD
Ethnicity European European Any Mediterranean European European
Age at onset <1 yr <20 yr <1 yr <20 yr <1 yr <20 yr
Triggers Cold Cold - - Vaccination -
Frequency Variable Variable Continuous Variable 2-4 wk Variable
Duration 1-2 days 2-3 days Continuous 1-3 days 3-7 days > 7 days
Distinctivefeatures
RashConjunctivitisNauseaHeadache
RashConjunctivitisDeafness
RashMeningitisArthropathyDeafnessAdenopathy↑Liver&spleen
Serositis↑SpleenErysipeloiderythema
Abd. painVomit,diarrheaRashAdenopathyArthralgiaHeadache
RashArthritisConjunctivitis↑Spleen
Amyloidosis No Yes No Yes No Yes
Treatment Anti-IL-1 Anti-IL-1 Anti-IL-1 Colchicine Anti-IL-1Anti-TNF
Anti-IL-1Anti-TNF
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Undifferentiated fever
Periodic
Recurrent
IntermittentF-Not-UONot FUO FUO
Prolonged
Cyclic neutropenia
Days before arrival
Temperature
Neutrophile count/mL39°C
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Undifferentiated fever
Periodic
Recurrent
IntermittentF-Not-UONot FUO FUO
Prolonged
PFAPA
Periodic fever,
aphthous stomatitis,
pharyngitis and
adenitis syndrome
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Distinctive Features of PFAPA Syndrome____________________________________• Clockwork periodicity• Fever episodes are stereotypical and unprovoked
• Identifiable prodrome is common
• Upper respiratory tract inflammation
• No rash or arthritis
• Elevated acute phase reactants• No failure-to-thrive
• Episodes are aborted by steroid therapy
• Episodes resolve after tonsillectomy
• Resolves by adolescence
• No long-term sequelae
______________________________________
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Cases ____________________________________
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3 year old girl
with recurrent
fever_____________
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Neonatal History____________________________________
• Uncomplicated pregnancy, para 1
• Acute caesarean section at GA 38
• Apgar scores 3/1, 6/5 and 9/10. Birth weight 3,510 g
• Neonatal sepsis and hepatitis
• Treatment: n-CPAP, phototherapy, antibiotics, diuretics, and blood transfusions
• Congenital viral infection?
____________________________________
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History & Examination____________________________________
• From 3 mo: recurrent white coatings and blisters on the tongue • From 5 mo: episodes of fever 39-40°C every second week, cervical
lymphadenitis, rash, and more blisters in the mouth• Each illness episode between 6 and 14 days• Adenotonsillectomy no effect• Normal growth and development
• Normal physical exam, no fever• CRP 7 mg/L, tbc 505x109/L, leuco 12.7x109/L, hgb 5.8 mmol/L, ESR 29
mm/h• Negative HIV, CMV and EBV antibodies_________________________________________________________
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1 month later____________________________________
• Temp 38.5°C
• Rhinitis
• Tender cervical adenitis
• No other physical findings
• Normal chest X-ray
• CRP 142 mg/L , ESR 72 mm/h
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Investigation Result
Haemoglobin 5.2 mmol/L
Leucocytes 10.9x109/L
Thrombocytes 505x109/L
Urat 0.49 mmol/L (ref. 0.15-0.35)
Lactate dehydrogenase 203 U/L (ref. 155-450)
IgD 100 IU/mL
IgG 12.3 g/L (ref. 3.4-9.1)
IgA 3.08 g/L (ref. 0.12-1.49)
IgM 1.64 g/L (ref. 0.39-2.08),
IgG subclasses Normal
Blood culture Negative
Blood smear Reactive, no lymphoblasts
Complement defect screening Normal
Vaccination response to HiB, diphtheria, tetanus Normal
Mannan binding lectine (MBL) 220 g/L
Haemoglobin electrophoresis Normal
Tracheal aspirate Moraxella catarrhalis
Chest X-ray Discrete perihilar infiltrates
Urine culture Negative
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Following 6 weeks
______________________
• 3 hospitalizations
• Symptoms: Fever, rhinitis, cervical adenitis, stomatitis, macular rash on the legs
• CRP 104-235
• Chest X ray: normal
• Urine dip stick: normal
• Treatment: cefuroxim, gentamyxin, amoxi/clav
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Investigation Result
Blood smear Atypical lymphocytes, no malignancy
Bone marrow aspiration Hypoplastic marrow, no malignancy
Mutation analysis for FMF Negative
ANA Negative
ANCA Negative
Anti-dsDNA Negative
PCR parvovirus Negative
PCR EBV Negative
Lymphocyte subpopulations Normal
Lymphocyte stimulation tests Normal
Tuberculin Skin Test Negative
Sweat test Sweat Sodium 68 mmol/L (slightly elevated)
Delta 508 mutation analysis Negative
X-ray thorax Normal
Echocardiography Small mitral insufficiency, not haemodynamic significant
US abdomen Slight hepatomegaly with hyperechogenic patches
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Diagnosis? ____________________________________
• IgD 2012.6 IU/mL
• Urine mevalonic acid: 21.8 µmol/mmol
• Genetic analysis: compound heterozygote for the V377I and the c.417insC mutations in the MVK gene
• ~ 100 sick days a year
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Mevalonate Kinase Deficiency(Hyper IgD Syndrome) ____________________________________• IgD 2012.6 IU/mL
• Urine mevalonic acid: 21.8 µmol/mmol
• Genetic analysis: compound heterozygote for the V377I and the c.417insC mutations in the MVK gene
• ~ 100 sick days a year Treatment:
Steroids
Eternacept
Anakinra
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Autoinflammatory diseases
Feature Inflammasomopathies Protein
folding
disorderIntrinsic Extrinsic
FCAS MWS NOMID FMF HIGDS TRAPS
Inheritance AD AD Sporadic AR AR AD
Ethnicity European European Any Mediterranean European European
Age at onset <1 yr <20 yr <1 yr <20 yr <1 yr <20 yr
Triggers Cold Cold - - Vaccination -
Frequency Variable Variable Continuous Variable 2-4 wk Variable
Duration 1-2 days 2-3 days Continuous 1-3 days 3-7 days > 7 days
Distinctivefeatures
RashConjunctivitisNauseaHeadache
RashConjunctivitisDeafness
RashMeningitisArthropathyDeafnessAdenopathy↑Liver&spleen
Serositis↑SpleenErysipeloiderythema
Abd. painVomit,diarrheaRashAdenopathyArthralgiaStomatitis
RashArthritisConjunctivitis↑Spleen
Amyloidosis No Yes No Yes No Yes
Treatment Anti-IL-1 Anti-IL-1 Anti-IL-1 Colchicine Anti-IL-1Anti-TNF
Anti-IL-1Anti-TNF
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10 year old girl with fever
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History_______________________
• Fever, cough and malaise 2 weeks ago
• Now fever for 7 days
• Coughing
• Itchy rash on legs and arms
• Pain all over the body
• Antihistamines no effect
• Cefur+genta no effect
• Transferred for second opinion
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Past history____________________________________
• Family Hx: Mom has asthma, brother asthmatic bronchitis, no rheumaticdiseases
• Exposures: • Charter trip to Turkey 1 yr ago• 1 Cat, 4 kittens and a turtle at home• 3 weeks prior to symptoms slept in an animal park. Hugged a donkey
• No allergies
• Asthma for 1 yr
• Appendectomy 1 yr ago
• + all childhood vaccinations
• Medicine: Pulmicort 200 microg x 2, beta2agonist p.n.
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Physical examination day 7 of fever____________________________________
• Pale
• Superficial breathing, tachypnoeae
• Heart murmur
• Mild cervical adenitis
• Red throat, normal tonsils
• Rash on inner legs and arms
• Pain in left shoulder
• A spider in the left ear
• No visible joint involvement
• Temp. 38.3°C in ear
• RF 60
• P 128
• BT: 106/56
• Sat: 98% → 90%
• CCR 2 sek
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Lab results____________________________________
• CRP 279 → 325
• ESR 100
• Leuco 27 (24 neutro)
• HgB 6.4
• Thrombocytes 464
• Ferritin 602
• Albumin 18
• IgG 9.2
• Normal U&E, Liver parametres
• Normal RF and ANA screen
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Chest X-ray day 7 _______________
Fluid on left side?
Cardiomegaly?
US: 8 mm fluid
Puncture 12 mL yellow fluid
ECHO: small pericardialeffusion
→ Meronem + cipro
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PET-CT day 9 _____________Bilat. infiltrates in lungs
Bilat. pleural effusion 1 cm
Pericardial effusion 1.5 cm
No other sites of inflammation
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Day 10 of (high) fever____________________________________
• Meropenem & cipro
• Paracetamol, ibuprofen, morphine
• Temp. 40°C
• ECHO: No aneurisms
• IVIG 2 g/kg
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Next few days____________________________________
Day 11
• Afebrile
• Good appetite
• Out of bed
• CRP 144
• Leucocytes 17.3
Day 12
• Temp. 38.7°C
• IVIG
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Day 13 of fever____________________________________
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Day 14 of fever____________________________________
• CRP 170 mg/L
• Sep cipro
• Rp. Doxycycline
• Rp. azihromycine
• Rp. Methylprednisolone 15 mg/kg 3 days
→ Afebrile day 15
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Microbiology____________________________________
Blood culture F. tularensis
Urine culture Bartonella
EBV & CMV & parvovirus serology Toxoplasmosis
Adenovirus PCR Borreliosis
Mycoplasma, legionella, c. pneumoniae, c. psittaci Coxiella
Throat swap Norcadiosis
Resp. Viruses PCR IGRA
BAL for pneumocystis & TB Galactomannan
LUT, PUT HBsAg, HAV
Pleural exudate culture + 16S F-calprotectin
Brucellosis Faeces culture
leptospirosis
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Further investigations- and treatment____________________________________
• Opthalmologic exam
• Fibroscan
• LFU: FEV1 31%, FVC 35%
• HRCT lungs
• BAL
• Day 26: US right knee synovitis
• Continues low-grade fever
• Day 27: Methylprednisolone 30 mg/kg 3 days
• Prednisolone
→ Afebrile and well
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Final diagnosis? ____________________________________
Systemic juvenile idiopathic arthritis
Started on roActemra (IL-6 inhibitor) 2 months after firsthospitalization
Feels better
All inflammation parametres normalized
Lung function improved
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Undifferentiated fever
Periodic
Recurrent
IntermittentF-Not-UONot FUO FUO
Prolonged
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Undifferentiated fever
Periodic
Recurrent
IntermittentF-Not-UONot FUO FUO
Prolonged
? ?
? ??