NEET PG Medical – 2017 – Question – 52
Stellate granuloma seen in
A> Sarcoidosis
B> Cat scratch disease
C> Cryptococcosis
D> Histoplasmosis
Show Answer
Answer: Option B – Cat scratch disease
Explanation:
● Bacterial infection causes by Bartonella henselae
● Acquired infected cat/kitten scratch
● Histology:
○ Characterized by granulomatous inflammation of lymph nodes.
○ Skin lesion demonstrates a circumscribed focus of necrosis
○ Regional lymph nodes demonstrate follicular hyperplasia with central stellate necrosis with neutrophils, surrounded by palisading histiocytes (suppurative granulomas) & sinuses packed with monocytic B cells, usually without perifollicular and intrafollicular epithelioid cells.
