Anaplastic lymphoma kinase-negative anaplastic large cell lymphoma masquerading as Behcet's disease: A case report and review of literature

Table 1 Primary anaplastic lymphoma kinase negative anaplastic large cell lymphoma of the gastrointestinal tract in our current study and in the literature

Ref.	Gender;Age	Presenting symptom; impression	Primary site	Biopsy or surgery	Perforation	Marrow involvement	Treatment	Follow-up
Sakakibara et al[10], 2015	M 65	A painful hard mass in the left buttock.	Ascending colon	Colon biopsy	(-)	(-)	Six cycles of CHOP	Achieved complete remission
Tian et al[11], 2016	M 39	Epigastric pain with low-grade fever	Stomach	Stomach biopsy	(-)	(-)	Four cycles of CHOP, then two cycles of Hyper-CVAD/MA	Died 3 mo later
Zhang et al[12], 2017	M 82	Weakness	Stomach	Stomach biopsy	(-)	(-)	Brentuximab	Clinically improved
Lee et al[13], 2017	F 64	Not mentioned	Oesophagus	Segmental resection of distal oesophagus and proximal partial gastrectomy	(-)	(-)	Various regimens and transplantation after relapse	Died 63 mo later
	M 59	Not mentioned	Stomach	Partial gastrectomy	(-)	(-)	CHOP	No evidence of disease after 81 mo
	F 70	Epigastric pain with poor appetite	Stomach	Total gastrectomy and liver biopsy	(-)		CHOP and ESHAP	Died 21 mo later
	M 65	Fever	Jejunum	Segmental resection	(+)	(+) (focal)	Nil	Died 0.7 mo later
	M 88	Not mentioned	Terminal ileum	Segmental resection	(-)	(-)	CHOP	Alive with disease after 4 mo
	M 37	Not mentioned	Terminal ileum	Right hemicolectomy	(-)	Not done	Nil	Died 0.7 mo later
Current study	M 54	Lower abdominal pain and diarrhea	Colon	Penis biopsy	(+)	Not done	One cycle of CHOP	Died 1 mo later

CHOP: Cyclophosphamide, doxorubicin, vincristine, prednisolone.