Tuberculous cervical lymphadenitis

Author: Audiopedia

Mycobacterial cervical lymphadenitis, also known as scrofula or King's evil, refers to a lymphadenitis of the cervical lymph nodes associated with tuberculosis as well as non-tuberculous mycobacteria. Disease Scrofula is the term used for lymphadenopathy of the neck, usually as a result of an infection in the lymph nodes, known as lymphadenitis. It can be caused by tuberculous or non tuberculous mycobacteria. About 95% of the scrofula cases in adults are caused by Mycobacterium tuberculosis, most often in immunocompromised patients. In immunocompetent children, scrofula is often caused by atypical mycobacteria and other nontuberculous mycobacteria.

Unlike the adult cases, only 8% of cases in children are tuberculous. With the stark decrease of tuberculosis in the second half of the 20th century, scrofula became a less common disease in adults, but remained common in children. With the appearance of AIDS, however, it has shown a resurgence, and presently affects about 5% of severely immunocompromised patients. = Signs and symptoms = The most usual signs and symptoms are the appearance of a chronic, painless mass in the neck, which is persistent and usually grows with time. The mass is referred to as a "cold abscess", because there is no accompanying local color or warmth and the overlying skin acquires a violaceous color. NTM infections do not show other notable constitutional symptoms, but scrofula caused by tuberculosis is usually accompanied by other symptoms of the disease, such as fever, chills, malaise and weight loss in about 43% of the patients.

As the lesion progresses, skin becomes adhered to the mass and may rupture, forming a sinus and an open wound. Diagnosis Diagnosis is usually performed by needle aspiration biopsy or excisional biopsy of the mass and the histological demonstration of stainable acid-fast bacteria in the case of infection by M. Tuberculosis, or the culture of NTM using specific growth and staining techniques. = Pathology = The classical histologic pattern of scrofula features caseating granulomas with central acellular necrosis surrounded by granulomatous inflammation with multinucleated giant cells. Although tuberculous and non tuberculous lymphadenitis are morphologically identical, the pattern is somewhat distinct from other causes of bacterial lymphadenitis. Therapy Treatments are highly dependent on the kind of infection.

Surgical excision of the scrofula does not work well for M. Tuberculosis infections, and has a high rate of recurrence and formation of fistulae. Furthermore, surgery may spread the disease to other organs.

Tuberculous cervical lymphadenitis

The best approach is to use conventional treatment of tuberculosis with antibiotics. The cocktail-drug treatment of tuberculosis includes rifampicin along with pyrazinamide, isoniazid, ethambutol, and streptomycin. Scrofula caused by NTM, on the other hand, responds well to surgery, but is usually resistant to antibiotics. The affected nodes can be removed either by repeated aspiration, curettage or total excision. Prognosis With adequate treatment, clinical remission is practically 100%. In NTM infections, with adequate surgical treatment, clinical remission is greater than 95%. It is recommended that persons in close contact with the diseased person, such as family members, be tested for tuberculosis.

History Scrofula is any of a variety of skin diseases; in particular, a form of tuberculosis, affecting the lymph nodes of the neck. In adults it is caused by Mycobacterium tuberculosis and in children by nontuberculous mycobacteria. The word comes from the Latin scrofula, meaning brood sow.

In the Middle Ages it was believed that royal touch, the touch of the sovereign of England or France, could cure diseases due to the divine right of sovereigns. Scrofula was therefore also known as the King's Evil. From 1633, the Book of Common Prayer of the Anglican Church contained a ceremony for this, and it was traditional for the monarch to present to the touched person a coin – usually an Angel, a gold coin the value of which varied from about 6 shillings to about 10 shillings. In England this practice continued until the early 18th century, and was continued by the Jacobite pretenders until the extinction of the House of Stuart with the death of the pretender Henry IX.

King Henry IV of France is reported as often touching and healing as many as 1,500 individuals at a time. Queen Anne touched the infant Samuel Johnson in 1712, but King George I put an end to the practice as being "too Catholic". The kings of France continued the custom until Louis XV stopped it in the 18th century, though it was briefly revived by Charles X in 1825. In the 18th century, Elizabeth Pearson, an Irish herbalist, proposed a treatment for scrofula involving herbs and a poultice and extract of vegetable; and in 1815, Sir Gerard Noel presented a petition to the House of Commons advocating her treatment. In the 19th century in the United States, the patent medicine Swaim's Panacea was advertised to cure scrofula. In 1768 the Englishman John Morley produced a handbook Essay on the Nature and Cure of Scrophulous Disorders, Commonly Called the King's Evil. The book starts by listing the typical symptoms and indications of how far the disease had progressed.

It then goes into detail with a number of case studies, describing the specific case of the patient, the various treatments used and their effectiveness. The forty-second edition was printed in 1824. In 1924, French historian Marc Bloch wrote a book on the history of the royal touch: The Royal Touch: Sacred Monarchy and Scrofula in England and France. See also Scrofuloderma Tuberculosis diagnosis Tuberculosis treatment Touch pieces References External links Werrett, Simon.

"Healing the Nation’s Wounds: Royal Ritual and Experimental Philosophy in Restoration England." History of Science 38: 377-99. Scrofula MedPix(r) Images.

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