有效的导管口扩张
有效的导管口扩张是内镜能够顺利进入导管系统的前至条件，尤其是导管口比较狭小或者需要使用较粗的内镜时。 常用的导 […]
Oral manifestation of secondary syphilis
A 34-year-old man presenting with (A) a red and white p
Oral manifestation of secondary syphilis Read More »
HE staining of actinomyces masses in actinomycosis
Typical radiating architecture of partially mineralized
HE staining of actinomyces masses in actinomycosis Read More »
Peutz-Jeghers Syndrome
Typical pattern of pigmentation representative of Peutz
Peutz-Jeghers Syndrome Read More »