Table 2: Baseline characteristics, diagnosis, treatment received, surgical interventions and treatment outcomes of cases.

Case 1

Case 2

Case 3

Case 4

Age

6 years

17 years

14 years

45 years

Gender

Male

Male

Male

Male

Date of specimen collection

30th November, 2016

9th January, 2019

24th July, 2019

26th September, 2020

Location of lesion(s)

Left upper limb/wrist

Right lower limb/knee, thigh, and leg

Right upper limb/arm and forearm

Left lower limb/leg

Lesion type

Ulcer

Ulcer

Ulcer

Ulcer

Clinical form, size, and WHO category of the lesion

Category II

Category III

Category III

Category III

Specimen collected for PCR diagnosis

Dry swabs and FNA in 1 mL phosphate buffered saline (PBS)

Dry swabs in sterile tubes

Dry swabs in sterile tubes

Dry swabs in sterile tubes

Specimen collected for f-TLC diagnosis

Swabs in O-ring vials containing 1 mL absolute ethanol, wrapped in aluminium foil

Swabs in O-ring vials containing 1 mL absolute ethanol, wrapped in aluminium foil

Swabs in O-ring vials containing 1 mL absolute ethanol, wrapped in aluminium foil

Swabs in O-ring vials containing 1 mL absolute ethanol, wrapped in aluminium foil

Date of laboratory diagnosis

December, 2016

January, 2019

July, 2019

June, 2020

PCR results

Positive

Negative

Positive

Positive

f-TLC results

Positive

Positive

Positive

Positive

Drug regimen

• Principal drug

• Secondary drug

Rifampicin

(10 mg/kg)

streptomycin injection (15 mg/kg)

Rifampicin

(10 mg/kg)

streptomycin injection (15 mg/kg)

Rifampicin

(10 mg/kg)

streptomycin injection (15 mg/kg)

Rifampicin

(10 mg/kg)

streptomycin injection (15 mg/kg)

Duration of drug therapy

8 weeks

8 weeks

8 weeks

8 weeks

Surgical treatment

No

No

Yes

No

Types of surgical

Interventions

N/A

N/A

• Debridement

• Skin graft

N/A

Treatment outcomes

• Antibiotic treatment completed.

• Healed without surgery.

• Healed without limitation of movement to any joint.

• Antibiotic treatment completed.

• Healed without surgery.

• Healed with limitation of movement to any joint.

• Antibiotic treatment completed.

• Healed with surgery.

• Healed with limitation of movement to any joint.

• Antibiotic treatment completed.

• Healed without surgery.

• Healed without limitation of movement to any joint.

Date of laboratory diagnosis

30th November, 2016

9th January, 2019

24th July, 2019

26th September, 2020

Date of discharge

15 March 2017

15 July, 2020

15 July, 2020

15 July, 2020

Length of hospital stay

105 days

553 days

357 days

144 days