Cutaneous Tuberculosis

Cutaneous Tuberculosis

Q. 1

Tuberculosis verrucosa cutis is a form of:

 A

Tuberculid

 B

Primary tuberculosis

 C

Postprimary tuberculosis with good resistance

 D

Post primary tuberculosis with poor resistance

Q. 1

Tuberculosis verrucosa cutis is a form of:

 A

Tuberculid

 B

Primary tuberculosis

 C

Postprimary tuberculosis with good resistance

 D

Post primary tuberculosis with poor resistance

Ans. C

Explanation:

C i.e. Postprimary tuberculosis with good resistance:

Tuberculosis verrucosa cutis is postprimary tuberculosis with good resistaneQ.


Q. 2

Tuberculosis of skin is called as

 A

Lupus Vulgaris

 B

Lupus Pernio

 C

Lupus profundus

 D

Scrofuloderma

Q. 2

Tuberculosis of skin is called as

 A

Lupus Vulgaris

 B

Lupus Pernio

 C

Lupus profundus

 D

Scrofuloderma

Ans. A

Explanation:

A i.e. Lupus vulgaris


Q. 3

Cutaneous (skin) Tuberculosis secondary to underlying tissue eg lymph node is called as

 A

Lupus Vulgaris

 B

Scrofuloderma

 C

Spina Ventosa

 D

Tuberculous Verrucosa Cutis

Q. 3

Cutaneous (skin) Tuberculosis secondary to underlying tissue eg lymph node is called as

 A

Lupus Vulgaris

 B

Scrofuloderma

 C

Spina Ventosa

 D

Tuberculous Verrucosa Cutis

Ans. B

Explanation:

B i.e. Scrofuloderma


Q. 4

Not a cutaneous manifestation of tuberculosis:

March 2005

 A

Lupus vulgaris

 B

Scrofuloderma

 C

Exanthematous lesion

 D

Erythema migrans

Q. 4

Not a cutaneous manifestation of tuberculosis:

March 2005

 A

Lupus vulgaris

 B

Scrofuloderma

 C

Exanthematous lesion

 D

Erythema migrans

Ans. D

Explanation:

Ans. D: Erythema migrans

Classification of skin tuberculosis

Tuberculosis of the skin has different clinical and pathological features depending on the patient’s resistance and age.

  • Patients with good resistance

–               Lupus vulgaris

Scrofuloderma.

–  Tuberculosis verruca cutis

– Tuberculids.

Exanthematous lesions

– Tuberculosis miliaris disseminata

– Lupus miliaris disseminatus fasciei

– Papulonecrotic Tuberculids

– Lichen Scrofuloderma

Patients with absent or poor resistance :

– Miliary tuberculosis.

– Primary tuberculous complex

Erythema migran is associated with lyme borreliosis.



Q. 5

Apple jelly nodule on diascopy, is a feature of:

March 2011

 A

Aspergillosis

 B

Rhinoscleroma

 C

Erysipelas

 D

Lupus vulgaris

Q. 5

Apple jelly nodule on diascopy, is a feature of:

March 2011

 A

Aspergillosis

 B

Rhinoscleroma

 C

Erysipelas

 D

Lupus vulgaris

Ans. D

Explanation:

Ans. D: Lupus vulgaris

Morphology of lupus vulgaris

W all demarcated, annular or arcuate plaques which slowly extend centrifugally

Periphery shows erythematous to brownish, deep seated nodules which on diascopy, may stand out as apple jelly nodules

TB of skin:

  • Lupus vulgaris:

–         Skin TB without underlying active focus

–         MC type of cutaneous TB

  • Scrofuloderma:

–         Skin TB secondary to underlying structure (joint, lymph node)

  • Tuberculosis verrucosa cutis: It is a post-primary TB with good resistance

Q. 6

Apple jelly nodules on the nasal septum are found in cases of ‑

 A

Tuberculosis

 B

Syphilis

 C

Lupus Vulgaris

 D

Rhinoscleroma

Q. 6

Apple jelly nodules on the nasal septum are found in cases of ‑

 A

Tuberculosis

 B

Syphilis

 C

Lupus Vulgaris

 D

Rhinoscleroma

Ans. C

Explanation:

Ans. is ‘c’ i.e., Lupus vulgaris

Lupus vulgaris

  • It is an indolent and chronic form of tuberculous infection.
  • Female to male ratio is 2:1.
  • Most common site is the mucocutaneous junction of the nasal septum, the nasal, vestibule and the ala.
  • Characteristic Feature is the presence of apple- jelly nodules (Brown gelatinous nodules) in skin.
  • Lupus can cause perforation of cartilaginous part of nasal septum.
  • Confirmation is by Biopsy


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