Table 2.

Clinical characteristics of 5 patients presented atypical form of B. henselae infection

Age (years)/Sex	Clinical Features	Contact with cat	Radiological imagination	ELISA test (IgG/ratio)	The PCR made from the exceed material	Treatment
6/M	Enlargement of parotid gland in the left side. The gland was not painful but hard with the diameter 3 cm	scratched in the left eyelid	USG: solid, hypoechogenic lesion inside the parotid gland suggested neoplastic lesion. (Fot.3)	1: 512	positive	Claritromycin, surgical removing, trimetoprim/sulfametoxazol
2/M	Fever, arthralgia, generalized lymphadenopathy, left submandibular tissue inflammation, disseminated, tuberous lesions on the skull.	Cat at home	MRI imagination: the disseminated, pathological infiltration of the both parietal and left frontal bones with osteollysis, settled into the skull with not interrupted pachymeninx. The radiological suggestion: histicytosis.	1:256	-	Clindamycin, clarytromycine, ceftazydym), surgical biopsy
			USG: left submandibular lymphadenopathy sized 20 × 15 mm.
7/M	Fever, local, cervical lymphadenopathy. The painful tumor on the occipito-parietal left area on the skull.	No	CT imagination: the local, pathological infiltration of the bones in the ocipitoparietal border without pachmeninx interruption	1:512	positive	Clindamycin, clarytromycin, surgical biopsy
12/F	The local, right axillary and ulnary lymphadenopathy with high fever. After 5–6 weeks the painful tumor on the right parietal area appeared.	scratched in the right hand	MRI imagination: the local, pathological infiltration of the parietal bone, settled into the skull with not interrupted pachymeninx. The radiological suggestion: histicytosis (Fig. 4).	1:1024	positive	Claritromycin, surgical biopsy, azitromycin, trimetoprim/sulfametoxazol
5/M	Severe headache, fever and torticollis. The physical examination presented the limitation of the head movements, mild enlargement of the left cervical lymph nodes	No	USG: left submandibular and cervical lymphadenopathy and hypoechogenic lesion sized 21 × 22 mm located medially to the big neck vessels.	1:512	positive	Ceftriakson, surgical biopsy
			MRI: the solid mass sized 20 × 14 × 30 mm in the peripharyngeal area modulated the left neck vessels and left tonsils. The lesion presented diffusion restriction in DWI MRI (Fig. 5)